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Gateway Arch

From Alfawiki
Gateway Arch
Company typeMonument
IndustryTourism, Architecture
FoundedOctober 28, 1965; 61 years ago (1965-10-28) (construction completed)
Headquarters
St. Louis, Missouri
,
United States
ProductsTourist attraction, National Historic Landmark
Websitewww.nps.gov/jeff/index.htm

The Gateway Arch is a monument located in St. Louis, Missouri, featuring an exterior of stainless steel and engineered as a weighted catenary arch. It holds the distinction of being the tallest arch worldwide and the highest publicly accessible structure in Missouri, frequently recognized as the tallest man-made monument within the Western Hemisphere. Erected to honor the westward expansion of the United States and dedicated to "the American people," this Arch—commonly referred to as "The Gateway to the West"—is designated as a National Historic Landmark situated in Gateway Arch National Park. It serves as an iconic symbol of St. Louis and attracts numerous visitors annually.

The design was conceived by Finnish-American architect Eero Saarinen in 1947, with construction commencing on February 12, 1963, and concluding on October 28, 1965, at a total expense of $13 million (adjusted for inflation to present-day values). The monument was officially opened to visitors on June 10, 1967. It stands on the historic location marking St. Louis’s establishment in 1764 along the western bank of the Mississippi River.

Origins and financing (1933–1935)

In late 1933, civic leader Luther Ely Smith proposed establishing a memorial along the St. Louis riverfront aimed at revitalizing the area and boosting economic activity. He presented this concept to mayor Bernard Dickmann, who garnered backing from city officials, leading to the creation of the nonprofit Jefferson National Expansion Memorial Association (JNEMA), with Smith serving as chairman and Dickmann as vice chairman. The association's mission was to develop a lasting tribute honoring key figures involved in U.S. western expansion, such as President Jefferson and explorers Lewis and Clark.

Although some local residents opposed public expenditure on the project, JNEMA pursued $30 million in funding (equivalent to about $ today), requesting that three-quarters come from federal sources. The initiative promised economic relief during the Great Depression by generating approximately 5,000 jobs over a three-to-four-year period. To build support, JNEMA organized fundraising efforts and submitted budget proposals to Congress.

Early in 1934, Senator Bennett Champ Clark and Representative John J. Cochran introduced legislation seeking $30 million in appropriations; however, this initial proposal failed due to its scale. Later joint resolutions recommended establishing a federal commission for overseeing the memorial, which passed both chambers of Congress by June 1934. President Franklin D. Roosevelt signed legislation creating the United States Territorial Expansion Memorial Commission, which convened for the first time in December to evaluate project plans.

By early 1935, JNEMA had arranged an architectural competition for designing the monument. The Missouri State Legislature authorized bond issuance to assist with financing, with Governor Guy Brasfield Park signing it into law. Smith and Dickmann secured $10 million each from New Deal programs—the Public Works Administration and Works Progress Administration—with management of the memorial assigned to the National Park Service. A local bond referendum approved $7.5 million toward development costs.

On December 21, 1935, President Roosevelt issued Executive Order 7253, designating an 82-acre area as a National Historic Site and allocating $6.75 million from WPA and PWA funds for the project. The initiative aimed both to commemorate westward expansion and provide employment opportunities. Despite these objectives, some taxpayers criticized the construction effort, dismissing it as a "boondoggle."

Initial planning (1936–1939)

With a 1935 grant of $6.75 million supplemented by $2.25 million in municipal bonds, the National Park Service procured historic structures within the designated area primarily through condemnation rather than direct purchase, finalizing this process by September 1938. Legal challenges culminated in a 1939 judicial decision that upheld the condemnation actions, enabling the disbursement of $6.2 million to property owners by June of that year. Demolition activities commenced on October 9, 1939.

Opposition, led by Paul Peters, circulated a pamphlet entitled "Public Necessity or Just Plain Pork," which prompted Congressional examination of the project. JNEMA’s attorney Bon Geaslin recommended keeping a low profile while encouraging favorable editorial coverage to counteract critics. Congressional budget reductions limited available funding, with the city threatening to cut its financial commitment accordingly. Representative John Cochran’s vocal opposition was perceived as a major hurdle, potentially swaying congressional sentiment more than Peters’ advocacy efforts.

The opponents appealed directly to President Roosevelt to revoke Executive Order 7253 and reallocate funds to the American Red Cross. Smith accused these dissenters of hindering urban development. A 1936 editorial in The Nation condemned the project, causing concern for Smith, though editor William Allen White advised caution.

Given the Mississippi River’s integral role in St. Louis’s identity, it was essential for the memorial to be situated near the riverfront. However, railroad tracks from the 1930s obstructed views of the river. Secretary Ickes insisted on their removal before any funding was released. Baxter Brown from the St. Louis Board of Public Service proposed constructing a tunnel to hide relocated tracks and regrading the site to restore river vistas—a plan initially rejected by National Park Service architect Charles Peterson but ultimately adopted as a solution.

By May 1942, demolition work was completed. The Old Cathedral and Old Rock House were preserved due to their historical importance. The Old Rock House was dismantled in 1959 with plans for relocation; however, missing components delayed reconstruction, and part of it now resides in the basement of the Old Courthouse.

Design competition (1945–1948)

In November 1944, Smith conferred with Newton Drury, Director of the National Park Service, emphasizing that the memorial should embody "transcendent spiritual and aesthetic qualities," centered around "a single defining element" representing American culture.

JNEMA advocated for an architectural contest with monetary awards to select the memorial’s design. Announced in January 1945, this two-phase competition encountered financial difficulties, securing only a third of the $225,000 target by mid-1945. By May 1946, Smith had personally contributed $40,000, with additional donors sharing subsequent costs. By February 1947, total funds surpassed $231,199.

Local architect Louis LaBeaume drafted competition specifications while George Howe managed contest operations starting May 30, 1947. A seven-member jury—including Charles Nagel Jr., Richard Neutra, and William Wurster—evaluated entries. The competition sought to incorporate:

Saarinen’s team included himself as lead designer; J. Henderson Barr as associate designer; Dan Kiley as landscape architect; Lily Swann Saarinen as sculptor; and Alexander Girard as painter. Following advice from Carl Milles to employ triangular bases for each leg instead of square ones, Saarinen adjusted his design visually rather than mathematically. His proposal featured an arch measuring 569 feet in height and 592 feet in width.

On September 1, 1947, 172 anonymous designs were submitted; after four days of deliberation, five finalists were announced on September 27—among them Eero Saarinen (#144), whose design received acclaim for its symbolic depth and aesthetic appeal. Local architect Harris Armstrong was also among finalists. Due to a telegram error, Saarinen’s father Eliel was initially notified instead of Eero; once corrected, both rejoiced. Each finalist was awarded $10,069 (equivalent to about $ in current dollars). Saarinen subsequently increased the arch height to 630 feet—matching its width—and described it as representing "the gateway to the West." He envisioned surrounding landscaping as a dense forest-like park offering respite from urban stress.

The second phase deadline was February 10, 1948; on February 18, the jury unanimously selected Saarinen's design for its "deeply evocative and truly monumental character." At a formal dinner held the following day at Statler Hotel, Saarinen’s team received $40,000 collectively while he personally earned $50,000—marking his first major architectural project undertaken independently from his father.

On May 25, the United States Territorial Expansion Memorial Commission approved the design, followed by National Park Service endorsement in June. Representative H. R. Gross opposed federal funding for its construction.

Reactions were mixed: The New York Times lauded it as "a modern monument," whereas some local residents likened it to a "stainless steel hitching post." Gilmore D. Clarke criticized it as resembling fascist architecture akin to Mussolini's style—sparking debate within architectural circles. Jury members and Saarinen dismissed these accusations as baseless.

By January 1951, Saarinen had produced comprehensive drawings detailing profiles of the Arch itself along with associated museums and restaurants; plans for parking; assessments of railroad impacts on foundations; expressway designs; and structural specifics. Structural engineer Fred Severud managed all related calculations.

Railroad agreement (1949–1958)

Multiple plans were proposed for relocating the railroad tracks, including the following:

  • Bates-Ross: envisioned the tracks crossing the memorial area diagonally through a tunnel.
  • Bowen: closely resembled the Bates-Ross concept.
  • Hill-Tunnel: backed by Saarinen and National Park Service engineer Julian Spotts, this plan routed the tracks in a tunnel beneath First and Second Streets; Saarinen threatened to withdraw support if the tracks were placed between the memorial and the river.
  • LaBeaume-Terminal: opposed by both Saarinen and the NPS, this option involved situating three tracks on an elevated embankment created by fill.
  • Levee-Tunnel: suggested by Frank J. McDevitt, this design proposed lowering the tracks into a tunnel hidden by walls and landscaping.

On July 7, 1949, city leaders selected the Levee-Tunnel alternative, which drew criticism from JNEMA members who believed the decision was made hastily during Smith’s absence. Mayor Joseph Darst notified Secretary of the Interior Julius Krug, who initially planned a meeting with stakeholders but later canceled it and resigned in November. His successor, Oscar L. Chapman, rescheduled the meeting for December 5. At this session, city representatives, JNEMA, railroad officials, and federal authorities endorsed a memorandum of understanding: five existing levee tracks would be replaced by three—one owned by Missouri Pacific Railroad (MPR) and two by Terminal Railroad Association of St. Louis (TRRA)—passing through a tunnel up to 3,000 feet long located approximately fifty feet west of the present alignment. The tunnel’s clearance was set at 18 feet, below the standard 22-foot height. Chapman gave his approval on December 22, 1949; JNEMA later obtained Missouri Public Service Commission authorization in August 1952.

Efforts to obtain congressional funding commenced in January 1950 but were postponed until 1953 due to budget constraints related to the Korean War.

In August 1953, Secretary of the Interior Fred A. Seaton urged finalizing an agreement on the railroad route. By October of that year, NPS and TRRA engaged Alfred Benesch and Associates to conduct surveys and prepare cost estimates; their report in May 1957 indicated expenses exceeding $11 million and $14 million for two different proposals. NPS director Conrad Wirth requested Saarinen to update his designs; Saarinen’s October revision featured lowering five railroad tracks sixteen feet into a shorter tunnel positioned 100 feet west of the trestle. The plan included a 960-foot-long tunnel over the railroad with a "grand staircase" linking the levee to the Arch, along with tunnels at both ends of the park providing access to visitor facilities. A subterranean visitor center containing theaters and ramps was also part of this design.

A memorandum dated November 29 approved Saarinen’s revised plan with an estimated cost of $5.053 million. On March 10, 1959, Mayor Raymond Tucker proposed substituting the tunnel with open cuts covered by concrete slabs as a cost-saving measure that would reduce expenses by $1.5 million to $2.684 million. On May 12, 1958, Tucker, TRRA president Armstrong Chinn, and Missouri Pacific Railroad president Russell Dearmont agreed that TRRA would deposit $500,000 in escrow while the city planned to issue $980,000 in bonds to match federal funds. Wirth and Seaton granted their approval on June 2.

In July 1953, Representative Leonor Sullivan introduced H.R. 6549 authorizing up to $5 million for constructing the Arch. Following negotiations, Congress passed this legislation in May 1954; President Dwight D. Eisenhower signed it into law as Public Law 361 on May 18. Funding delays in 1955 led association president William Crowdus to seek $10 million from Rockefeller and Ford Foundations; both declined due to their private foundation status precluding support for national memorials. In 1956 Congress appropriated $2.64 million specifically for relocating railroad tracks. On July 1, 1958 six bills were introduced aiming to amend Public Law 361 to cover total memorial expenses with an additional $12.25 million in federal funding; endorsed by both Interior Department and Bureau of Budget that August, Congress passed these bills unanimously and Eisenhower signed them on September 7. The NPS deferred utilizing these extra funds until railroad relocation work commenced using earlier appropriations.

Final arrangements (1959–1968)

Saarinen collaborated closely with municipal authorities to manage zoning regulations around the arch site. In April 1959, developer Lewis Kitchen proposed two 40-story towers directly across from the arch. Concerns arose about these buildings potentially blocking views of the arch, prompting delays in final decisions until Saarinen established the arch’s height parameters. By October, Mayor Tucker and Director Wirth imposed a height restriction of approximately 27 stories on buildings opposite the arch, requiring city approval for any such developments. Consequently, Kitchen lowered his proposed building heights as Saarinen adjusted the arch’s elevation upward.

The initial stage of the project involved relocating railroad tracks. On May 6, 1959, the Public Service Commission mandated ventilation requirements for the tunnel construction, which entailed installing "3,000 feet of dual tracks within a tunnel positioned 105 feet west of the elevated railroad," along with grading and trestle modifications. Following an evaluation of eight bids on June 8, MacDonald Construction Co. from St. Louis secured the contract with a $2,426,115 offer—below National Park Service projections. Groundbreaking took place on June 23, initiated by Mayor Tucker.

The National Park Service released $500,000 in escrow funds to MacDonald to commence track work. By August, demolition of the Old Rock House—the city’s oldest standing structure—was completed, enabling tunnel excavation to start. Concrete wall construction began in November. Progress reached 29% by March and advanced to 95% by November. Trains began operating on the new tracks on November 17; full project completion was aimed for June 1962.

On May 16, 1959, a Senate appropriations subcommittee reviewed a $2.4911 million funding request submitted by St. Louis representatives but approved only $133,000 at that time. Wirth recommended resubmitting the request in January 1960.

Regional Director Howard Baker received an initial city subsidy of $888,000 on March 10, 1959. By December 1, 1961, total authorizations reached $23 million with $19.6 million appropriated; $3.3 million was still pending.

Construction

The original bid opening date scheduled for December 20, 1961, was deferred to January 22, 1962, to clarify technical details related to arch construction. Approximately fifty firms were invited to submit bids. Proposals ranged from $11.9 million to $12.8 million—significantly above the engineer’s estimate of $8 million. A committee chaired by George Hartzog reviewed all bids and confirmed their validity. The contract was awarded to MacDonald Construction Co., which subsequently reduced its bid by $500,000 to $11.44 million. The Pittsburgh-Des Moines Steel Company was engaged as subcontractor responsible for fabricating the steel shell of the arch.

Although groundbreaking occurred in late 1959 and early 1960 with foundation work progressing through 1961, actual arch assembly commenced on February 12, 1963, beginning with placement of the first steel triangle on the south leg. The structure was built from 142 prefabricated stainless steel sections filled with concrete prestressed by 252 tension rods. A scissors truss installed at a height of 530 feet provided lateral stability during erection and was removed as cranes were dismantled following completion of the legs. The project aimed for completion by autumn 1964 to coincide with St. Louis’s bicentennial celebrations.

MacDonald Construction erected a 30-foot observation tower for visitors and supplied recorded updates on construction progress. Approximately one million people visited the site in 1963; by the following year local radio stations broadcast announcements when large steel components were hoisted into place. Photographer Art Witman of the St. Louis Post-Dispatch extensively documented construction activities from 1963 through 1967 with full access granted; his panoramic images are now preserved at the State Historical Society of Missouri.

Project manager Stan Wolf remarked on the increased complexity involved in constructing a curved arch compared to erecting a conventional vertical structure such as a typical 62-story building.

Delays and legal challenges

The arch's construction encountered numerous setbacks caused by safety reviews, financial uncertainties, and litigation. Although an actuarial analysis forecasted thirteen fatalities among workers, the project was completed without any deaths.

Civil rights advocates interpreted the endeavor as a symbol of racial exclusion. On July 14, 1964, Percy Green and Richard Daly from the Congress of Racial Equality climbed 125 feet up the north leg to protest the exclusion of African American contractors and skilled laborers from federally funded contracts. The demonstrators demanded a minimum 10% representation of African Americans in skilled trades. This action led the United States Department of Justice to initiate the first pattern or practice discrimination lawsuit against AFL–CIO under Title VII of the Civil Rights Act of 1964 in 1966; however, these charges were eventually dismissed. The suit aimed to integrate building-trade unions, which had very few black members through the mid-1960s. During President Lyndon Johnson’s tenure, the federal government began rigorously enforcing equal employment opportunities on projects funded by federal money.

In 1964, MacDonald faced a $665,317 lawsuit from Pittsburgh-Des Moines Steel Company relating to tax disputes. The following year, the National Park Service (NPS) demanded removal of "P-D-M" initials from construction machinery, citing federal prohibitions on advertising at monuments. Pittsburgh-Des Moines initially resisted but relented after facing potential fines totaling $225,000 plus $42,000 in monthly penalties. Subsequently, NPS withdrew its legal action.

On October 26, 1965, the International Association of Ironworkers paused work to confirm safety standards. After assurances from NPS director Kenneth Chapman, construction recommenced the next day. However, discovery of sixteen defects delayed tram service operations, resulting in estimated daily losses of $2,000 for the Bi-State Development Agency.

Labor conflicts also affected progress. On January 7, 1966, AFL–CIO members halted work on the visitor center due to refusal to collaborate with plumbers affiliated with the Congress of Industrial Unions (CIU), which represented African American plumbers. AFL–CIO cited wage concerns rather than racial issues. CIU pursued an injunction through the National Labor Relations Board, and on February 7 a judge determined AFL–CIO workers had engaged in a secondary boycott. Work resumed by February 11 with ten African American apprentices joining arch labor. This month-long interruption highlighted persistent labor tensions throughout construction.

Topping out and dedication

Although President Lyndon B. Johnson and Mayor Alfonso J. Cervantes initially set a date for the topping-out ceremony, the arch was not completed by then. The event was rescheduled for October 17, 1965; despite double-shift efforts, completion remained elusive. The chairman ultimately planned the ceremony for October 30 to accommodate 1,500 schoolchildren whose signatures were sealed inside a time capsule; however, Pittsburgh-Des Moines Steel Company arranged it for October 28.

The time capsule containing 762,000 student signatures was welded into the keystone prior to placement of the final segment. On October 28, then-Vice President Hubert Humphrey observed the topping out from a helicopter. A Catholic priest and a rabbi blessed the triangular keystone before it was inserted approximately thirty minutes ahead of schedule due to thermal contraction in the upper gap. Workers sprayed water on the south leg to cool and contract it as a countermeasure. The keystone installation took thirteen minutes with only a small gap remaining afterward. A hydraulic jack expanded the legs slightly for fitting the next section; the final opening measured just . By midday, the keystone was firmly secured.

Public opening of the Gateway Arch was originally anticipated by 1964; however, by 1967 public relations efforts ceased predicting an exact date. The visitor center opened on June 10, 1967, followed by commencement of tram operations on July 24.

Humphrey officially dedicated the arch on May 25, 1968. He praised it as "a soaring curve in the sky linking yesterday’s heritage with tomorrow’s future" and recognized it as a symbol motivating urban renewal initiatives. Although about 250,000 attendees were expected outdoors, inclement weather forced relocation indoors. During the ceremony, an African American protester called for employment opportunities rather than monuments; he was quietly removed without disrupting proceedings. Afterward, Humphrey waited beneath an exit for rain to subside before departing.

After project completion

Although the initiative did not meet its target of generating 5,000 jobs, employing fewer than 100 individuals by June 1964, it nevertheless triggered $150 million in supplementary riverfront redevelopment efforts. These included the construction of a 50,000-seat sports arena, a 30-story hotel, office buildings, parking facilities, and residential apartments. Proposals for a Disneyland-inspired amusement park featuring artificial riverboat rides were explored but ultimately dropped. The developers intended to utilize the arch as a commercial magnet to draw tourists and enhance local amenities. Since the 1960s, the arch has catalyzed nearly $503 million in construction expenditures.

In June 1976, federal support finalized the memorial’s completion: the Thomas Jefferson statue was inaugurated, the Museum of Westward Expansion opened for previews, a theater honoring Mayor Raymond Tucker was established beneath the Arch, and the curved stairways linking the Arch to the levee were finished.

Physical characteristics

The monument rises to a height of tall and spans wide,[1][2] making it the tallest memorial in the United States as well as the tallest stainless steel structure worldwide.[3][4]

Each leg has an equilateral triangular cross-section that narrows from at its base to at its peak.[5] The walls consist of an outer layer of stainless steel over carbon steel with reinforced concrete up to , transitioning to carbon steel closer to the top.[6][7] Inside this hollow form is a unique tram system that transports visitors to an observation platform at the summit.[8]

The arch utilizes a stressed-skin structural approach,[9] with each leg firmly anchored in concrete foundations measuring thick and deep,[2][10] including embedded anchors extending into bedrock.[10] Designed to endure seismic activity, it can sway up to and resist wind speeds reaching .[11]Cite error: The opening <ref> tag is malformed or has a bad name Overall, the structure weighs , made up of concrete; structural steel; and of grade 304 stainless steel panels measuring 6.3mm in thickness—the largest application of stainless steel in any single project.[12]Cite error: The opening <ref> tag is malformed or has a bad name

Mathematical elements

The arch’s distinctive shape was determined by mathematical formulas supplied to Saarinen by Hannskarl Bandel, a German-American engineer. Architects such as Bruce Detmers translated these equations into detailed plans using:

<math>y = A \left( \cosh \frac {Cx}{L}-1 \right) \quad\Leftrightarrow\quad x = \frac {L}{C} \operatorname{arcosh} \left( 1 + \frac {y}{A} \right)</math>,

where constants are defined as:

<math>A = \frac {f_c} {Q_b/Q_t - 1} = 68.7672</math>

<math>C = \operatorname{arcosh} \frac {Q_b}{Q_t} = 3.0022</math>

Here, fc represents the maximum centroid height , Qb is the largest cross-sectional area at the base , Qt is the smallest cross-sectional area at the top , and L corresponds to half the width of the centroid base. The triangular cross-section changes linearly with vertical centroid height.

This hyperbolic cosine equation models a catenary curve—the shape formed by a chain hanging under its own weight in pure tension. An inverted catenary arch supports its own weight solely through compression without shear forces, making it structurally optimal as thrust forces pass through the legs into their foundations rather than pushing them outward.

The Gateway Arch does not follow a simple catenary but rather an inverted weighted catenary defined by y=Acosh(Bx). Saarinen chose this form instead of a traditional catenary to achieve a softer, less steep silhouette. In 1959, he emphasized that the arch is not a parabola but a catenary curve where compressive forces remain centered within each leg. Subsequently, mathematician William V. Thayer verified that this structure conforms specifically to a weighted catenary shape.

Lighting

The initial concept to light the arch during nighttime was introduced in 1966 but was never implemented. In July 1998, the Gateway Foundation of St. Louis approved funding and took on the responsibility for the lighting system's equipment, installation, and upkeep. Temporary illumination was arranged by MSNBC in January 1999 for a visit by Pope John Paul II. Since November 2001, the arch has been illuminated with white floodlights from 10 p.m. until 1 a.m., utilizing 44 specially designed fixtures by Randy Burkett, installed within four subterranean pits.

On October 5, 2004, prompted by Missouri Senators Jim Talent and Kit Bond, the U.S. Senate authorized lighting the arch in pink to commemorate National Breast Cancer Awareness Month. This effort received support from Estee Lauder and May Department Store Co. as a symbol promoting awareness of cancer prevention and treatment. Although the National Park Service initially expressed concerns about establishing a precedent, the project moved forward on October 25, 2004. An earlier promotional lighting occurred on September 12, 1995, when local companies Fleishman-Hillard and Technical Productions bathed the arch in rainbow colors to celebrate the debut of Ringling Bros. and Barnum & Bailey Circus' Wizard of Oz on Ice at the Kiel Center.

Public access

Upon completion in April 1965, annual visitation was projected at three million tourists; during its first year, 619,763 visitors ascended to the arch's summit. The one-millionth visitor reached the observation deck on January 15, 1969, traveling from Nashville, Tennessee, while the ten-millionth visitor arrived on August 24, 1979. By 1974, the arch had become the fourth most popular man-made attraction in terms of visitation. In 2010, more than four million people visited the Gateway Arch, with approximately one million reaching its apex. By 2022, estimated visitation had increased to around 1.62 million.[13]

On December 8, 2009, the nonprofit organization CityArchRiver2015 launched an international design competition titled "Framing a Modern Masterpiece: The City + The Arch + The River 2015." The goal was to revitalize the riverfront park environment, enhance pedestrian connectivity across Memorial Drive, extend development onto the East St. Louis riverfront, and boost visitor engagement. The competition unfolded over three phases: initial portfolio screening (narrowing applicants to 8–10 teams), team interviews (reducing to 4–5 teams), and evaluation of design proposals. From a pool of 49 applicants, five finalists were announced on August 17, 2010; their designs were publicly exhibited beneath the arch. Final presentations were made before an eight-member jury on August 26, leading to Michael Van Valkenburgh Associates being declared the winner on September 21. The plan includes revitalizing Kiener Plaza and the Old Courthouse area, linking downtown with Arch grounds via a park spanning Interstate 70, reimagining museum spaces, and enhancing accessibility. This $380 million initiative aimed for completion by 2018.

The groundbreaking ceremony for the "Park over the Highway" project—marking CityArchRiver’s initial phase—took place on August 2, 2013. This landscaped deck constructed above Interstate 70 redirected surface traffic that had previously separated the Gateway Arch from the Old Courthouse district. The project reached completion in December 2014.[14]

Visitor center

Situated directly beneath the arch, the subterranean visitor center was developed as part of the National Park Service's Mission 66 initiative.[15] Although construction commenced concurrently with the arch itself, financial constraints caused delays, leading to completion in 1976; nonetheless, exhibits were available to the public starting June 10, 1967.[16] Entry is provided through ramps located adjacent to each leg of the arch.[17]

Within the center are administrative offices, mechanical rooms, designated tram waiting zones, the Museum of Westward Expansion, and two theaters. The initial theater debuted in 1972,[16] while the Odyssey Theatre—introduced during the 1990s and featuring a four-story screen—necessitated enlarging the underground facility by carving into solid rock without interrupting museum activities.[17] The museum itself hosts several hundred artifacts relating to 19th-century U.S. westward expansion and opened its doors on August 10, 1977.[16]

As part of the CityArchRiver initiative, a $176 million refurbishment and enlargement was finalized in July 2018, adding a 46,000-square-foot underground area equipped with interactive galleries, video walls, a fountain, and a café.[18]

Observation area

Atop the Arch, visitors disembark from the tram onto an arched observation platform measuring over 17 feet in length and 12 feet in width, capable of accommodating approximately 160 individuals—equivalent to four tramloads. Each side features sixteen windows measuring about 18 inches each, offering panoramic views extending roughly 30 miles eastward across the Mississippi River and southern Illinois, including sights such as Cahokia Mounds, as well as westward over St. Louis and St. Louis County.

Modes of ascent

Visitors can reach the summit via two emergency staircases within each leg, each comprising 1,076 steps; a 12-passenger elevator ascending to the observation deck; or trams operating inside each leg.

Each tram is composed of eight cylindrical compartments seating five passengers apiece with glass doors, carrying a total of 40 passengers per trip—with two trams running simultaneously. Departures occur every ten minutes. These capsules rotate similarly to Ferris wheel cars as they travel along rails during ascent and descent. The journey upward lasts approximately four minutes; descending takes about three.

In 1962, funding obstacles delayed installation of the internal tram system until the Bi-State Development Agency issued $3.3 million in revenue bonds to finance construction and operation. Costs were recouped through a $1 fare. The north leg tram began service in June 1967; completion of the south tram followed by March 1968. Introduction of a reservation system in 1976 reduced wait times from up to three hours. By 2007, these trams had covered roughly 3 million miles and transported over 25 million passengers.

Incidents

On July 8, 1970, a six-year-old boy accompanied by his mother and two friends became trapped inside a tram within the south leg after closing hours. They boarded around 9:30 p.m. CDT; however, tram doors failed to open at the exit point. Subsequently, the tram moved up to a storage area approximately 60 feet above ground before power was cut off. After about 45 minutes, one individual managed to pry open a door and contact security personnel for assistance.

On July 21, 2007, malfunctioning cables forced closure of the south tram, leaving only the north tram operational until repairs concluded in March 2008. Around 200 visitors were confined inside for nearly three hours after a severed cable contacted a high-voltage rail causing a fuse to blow. While some passengers exited using emergency stairs and elevator access points, all were safely evacuated within two hours; those on the observation deck waited an additional hour before descending. Visitors remained calm throughout and were compensated with refunds. This incident occurred during a fireworks event; no serious injuries were reported though two people required medical attention.

Shortly following its reopening in 2008, another closure occurred on March 14 due to an electrical switch malfunction described as an unfortunate coincidence.

On February 9, 2011, a National Park Service employee sustained serious injuries while repairing electrical components of the south tram after becoming briefly trapped between the tram and arch wall. Emergency responders provided onsite care before transporting him to hospital.

On March 24, 2011, approximately one hundred visitors were stranded for about forty-five minutes when south tram doors failed to close properly. They safely descended using the north tram which had been closed earlier for computer system upgrades. The issue was attributed to software malfunction; no injuries resulted.

At approximately 2:15 p.m. on June 16, 2011, power outage caused stalling of the north tram roughly halfway from the observation deck. Forty passengers climbed emergency stairs to reach the top while staff manually pulled the tram upward over an hour-long period. They returned via south tram which had not operated that day due to low attendance. An additional one hundred twenty visitors at the observation platform also exited using south tram service. During this outage passengers experienced lack of lighting and air conditioning; no serious injuries occurred although one individual fainted due to panic and a park ranger suffered minor injuries. The cause of this power failure was initially undetermined.

Stunts and accidents

On June 16, 1965, the Federal Aviation Administration issued a warning to pilots that traversing the arch by air would lead to monetary penalties and suspension of their licenses.[19] Nevertheless, from June 22, 1966, onward, at least ten aviators disregarded this directive.[16][20]

In 1973, Nikki Caplan obtained special permission from the FAA to pilot a hot air balloon through the arch’s legs during the Great Forest Park Balloon Race.[21] During this attempt, the balloon collided with the structure and fell approximately 70 feet before regaining control.[22]

For the 1976 Fourth of July celebrations, a U.S. Army demonstration skydiving team was granted authorization to fly through the arch,[23] and since then, multiple skydiving groups have legally parachuted onto the Arch grounds after flying between its legs.

Despite official restrictions, various stunt performers have executed parachute jumps to or from the arch. In June 1980, the National Park Service declined a television crew’s request to perform a jump; similarly, stuntman Dan Koko’s application was rejected in 1986.[16] Koko, known for his role as a stunt double in Superman, had planned a leap for Independence Day festivities.[24]

1980 accident

On November 22, 1980, Kenneth Swyers from Overland, Missouri attempted a base jump by parachuting onto the arch. After landing, gusts of wind caused him to lose balance; he slid down the north leg and succumbed to fatal injuries.[25] Swyers was an experienced parachutist with over 1,600 jumps completed. Observers reported he landed properly but failed to maintain footing; his reserve parachute did not deploy.[23][25] The FAA conducted an investigation as the jump lacked authorization.[23]

On December 27, 1980, St. Louis television station KTVI received calls from an individual claiming to be a parachutist dressed as Santa Claus who had landed on the arch as a tribute to Swyers. Authorities later dismissed this as a hoax due to absence of evidence and conflicting accounts.[26]

1992 stunt

On September 14, 1992, John C. Vincent ascended the Gateway Arch using suction cups and then parachuted down. He faced misdemeanor charges for scaling a national monument and performing an unauthorized parachute jump in a national park.[27] Vincent, a construction worker from Harvey, Louisiana, stated his motivation was "for the thrill" and noted previous parachute jumps off the World Trade Center.[28] Due to strict security measures blocking access through maintenance hatches, he climbed externally beginning at 3:30 a.m., reaching the summit by 5:45 a.m., where he rested before jumping.[29]

National Park Service Chief Ranger Deryl Stone spotted Vincent mid-descent. Two men filming on site were detained and charged with disorderly conduct and unauthorized commercial filming.[30] Vincent initially entered a not guilty plea but later agreed to testify against them as part of a plea agreement.[31] Federal magistrate judge David D. Noce convicted one individual of conspiracy and misdemeanors; charges against the other were dropped.[32]

Vincent received a $1,000 fine along with community service and probation; in December 1992 he was sentenced to ninety days in jail for violating probation terms.[33]

Security

In response to the 1995 Oklahoma City bombing, more than $1 million was dedicated to launching a counterterrorism initiative. Park personnel underwent training aimed at observing visitor behavior, and subtle electronic surveillance equipment was installed throughout the area. Following the events of September 11, 2001, security protocols were significantly tightened, with entry checkpoints moved to the visitor center's entrance. Since 1997, visitors have been subjected to screening through magnetometers and x-ray scanners.

During the 2002 Fourth of July festivities, the Arch was placed under restricted airspace protection. The subsequent year saw the installation of portable Jersey barriers—measuring 10 feet in length, 32 inches in height, and weighing approximately 4,100 pounds—to deter potential terrorist threats. These barriers were eventually supplanted by concrete bollards encased in metal, designed to harmonize visually with the Arch’s steel structure. The park’s enhanced dispatch center now manages movable bollards that further secure the perimeter.

By 2006, a shift occurred when the park appointed a physical security expert to take over responsibilities from a law enforcement officer. This position emphasizes conducting risk evaluations, testing security systems, training staff in safety procedures, and liaising with governmental bodies to reinforce the Arch’s overall protective measures.

Symbolism and culture

Constructed as a tribute to America's westward expansion, the Arch represents "the pioneer spirit of those who conquered the West as well as those who continue to explore new frontiers." It has evolved into an emblematic symbol of St. Louis, deeply embedded in local identity. By 1968—just three years post-opening—65 companies incorporated "Gateway" and 17 included "Arch" in their names; depictions of arches also became common on gas stations and drive-in establishments. In the 1970s, St. Louis Community College sports teams adopted monikers such as "Fighting Arches" and later "Archers." Robert S. Chandler, a former National Park Service superintendent, observed that while many visitors are impressed by the Arch's magnitude, they often overlook its broader significance beyond representing St. Louis.

The Arch also serves as a symbol for Missouri as a whole. On November 22, 2002, at the Missouri State Capitol, Lori Hauser Holden revealed the winning design for Missouri’s coin in the Fifty States Commemorative Coin Program. Artist Paul Jackson created a watercolor illustration depicting three members of the Lewis and Clark Expedition paddling along the Missouri River with the Arch visible in the background. Holden highlighted that the Arch stands as "a symbol for the entire state," drawing four million visitors each year and boosting its international profile through this coin initiative. The U.S. Mint later modified Jackson's artwork by adding a third figure representing Clark's enslaved companion, York. This coin was released into circulation on August 4, 2003.

A distinctive license plate developed by Arnold Worldwide showcased the Arch accompanied by the inscription "." Revenue generated from these plates supports museum operations and educational programs associated with the Arch.

Architectural critic David Dillon characterized the Arch as an emblem of "limitless American optimism," noting its ever-changing visual qualities—it appears radiant under sunlight, gentle amid fog, sharp or ethereal—attributes that contribute to its lasting allure.

There has been some discussion regarding St. Louis’s claim as the "Gateway to the West." Calvin Trillin, a native of Kansas City, humorously compared St. Louis’s image with that of his own city.

Recent restoration efforts have expanded the Arch’s narrative to include critical reflections on colonialism, Manifest Destiny, and their consequences for First Americans and Native Mexicans. The site also addresses urban development history and civil rights movements occurring during its construction period.

Its avant-garde design embodies themes related to the automobile age and associated infrastructure growth, inspiring its adoption as a namesake and emblem for NASA’s upcoming Lunar Gateway, envisioned as an entry point for lunar and Martian exploration.

Awards and Recognitions

In 1966, the arch was honored with a Special Award for Excellence from the American Institute of Steel Construction in recognition of its innovative technology and striking design. On February 9, 1967, it received the Outstanding Civil Engineering Achievement Award. Travel + Leisure once listed the arch among the globe’s most frequented landmarks, ranking it alongside iconic destinations such as Disney World and the Eiffel Tower. On February 22, 1990, the American Institute of Architects bestowed its Twenty-Five Year Award on the structure, highlighting its enduring importance as "a symbolic bridge between East and West" that represents national hopefulness. In 2007, it secured the fourteenth position on the AIA’s "America's Favorite Architecture" ranking.

Cultural References

  • Dutch composer Peter Schat composed Arch Music for St. Louis, Op. 44 (1997), which premiered in 1999 performed by the St. Louis Symphony Orchestra at Powell Symphony Hall. Due to acrophobia preventing him from ascending the arch, Schat expressed a musical interpretation of a tram journey to its summit.[34]
  • The poem "The Stoic" by Paul Muldoon, set beneath the Gateway Arch, serves as an elegy inspired by his personal grief following a miscarriage, reflecting his emotions while standing under the monument.[35]
  • In both The Lightning Thief and its television adaptation, Percy Jackson encounters mythological beings at the Gateway Arch during a pivotal scene involving the Master Bolt, underscoring the arch’s presence in contemporary popular culture.[36]
  • The science fiction series Defiance portrays a damaged Gateway Arch repurposed as a radio station studio and antenna, integrating this landmark into its futuristic narrative.[37]

Maintenance

The earliest act of vandalism occurred in June 1968, resulting in $10,000 spent on repairs that same year. By March 1969, graffiti had appeared on the structure.

In 2010, signs of corrosion were detected on the upper stainless steel surfaces, primarily caused by water collecting due to leaking welds in the carbon steel of the north leg. Maintenance teams responded by using mops and temporary water containment measures to address this problem. Although rust was present, National Park Service (NPS) reports confirmed there was no threat to structural safety.

Specialists in architecture recommended conducting an extensive corrosion assessment as early as 2006; this recommendation was reiterated in a Historic Structure Report issued in 2010. Subsequently, in September 2010, NPS engaged Wiss, Janney, Elstner Associates, Inc. to perform a structural evaluation aimed at formulating long-range maintenance strategies.

In October 2014, samples of stains were collected from the west face to identify the most effective cleaning techniques; estimates for cleaning expenses were approximately $340,000.

Back in 1984, structural engineer Tibor Szegezdy observed that the Arch might endure "considerably less than a thousand years" before potentially succumbing to collapse during a severe windstorm.

Brickline Greenway

The Brickline Greenway initiative represents a significant collaboration between public and private sectors, designed to link Forest Park with the Washington University in St. Louis Danforth Campus and the grounds surrounding the Gateway Arch. Principal collaborators include Great Rivers Greenway, the Arch to Park Collaborative, St. Louis City, and Washington University. Prior to March 10, 2020, this project was referred to as the Chouteau Greenway.

See also

Bibliography

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  • Baglione, Chiara (June 2015), Eero Saarinen – Gateway to the West, 1947–1965, "Casabella", 850, June 2015, 4–27, 94–95 [English text].
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External links

  1. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named facts
  2. ↑ 2.0 2.1 Cite error: Invalid <ref> tag; no text was provided for refs named Bryant
  3. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named nhlsum
  4. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Cobb
  5. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named PopSci
  6. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Brinkman
  7. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Mogin
  8. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named csmonitor
  9. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Freeman
  10. ↑ 10.0 10.1 Cite error: Invalid <ref> tag; no text was provided for refs named Sutton
  11. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named National Parks 1998
  12. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Offer
  13. ↑ National Park Service
  14. ↑ stltoday.com
  15. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Kimbell
  16. ↑ 16.0 16.1 16.2 16.3 16.4 Cite error: Invalid <ref> tag; no text was provided for refs named Arch timeline
  17. ↑ 17.0 17.1 Cite error: Invalid <ref> tag; no text was provided for refs named Visitor center
  18. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Hahn
  19. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Wolf
  20. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Corrigan
  21. ↑ Cox, Jeremy R. C.
  22. ↑ Oppenheim, Carol
  23. ↑ 23.0 23.1 23.2 Cite error: Invalid <ref> tag; no text was provided for refs named Evening Independent accident
  24. ↑ Ottawa Citizen
  25. ↑ 25.0 25.1 Cite error: Invalid <ref> tag; no text was provided for refs named Montreal Gazette accident
  26. ↑ Eugene Register-Guard
  27. ↑ Press-Courier
  28. ↑ St. Louis Post-Dispatch
  29. ↑ St. Louis Post-Dispatch
  30. ↑ The Telegraph (Nashua)
  31. ↑ The Nevada Daily Mail
  32. ↑ St. Louis Post-Dispatch
  33. ↑ Dropzone.com
  34. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named peterschat
  35. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Twiddy
  36. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  37. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
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