Editing Gateway Arch (section)

{{short description|U.S. National Historic Landmark in St. Louis, Missouri}}
{{Use American English|date=January 2025}}
{{Use mdy dates|date=March 2025}}
{{Infobox building
| name                 = Gateway Arch
| alternate_names      = {{ubl|Gateway to the West|St. Louis Arch}}
| image                = St Louis night expblend cropped.jpg
| caption              =
| coordinates          = {{coord|38.6246|N|90.1850|W|display=inline,title}}
| altitude             =
| building_type        =
| architectural_style  = [[High-tech architecture|Structural expressionism]]<ref name="GreatBuildings">{{cite web |url=http://www.greatbuildings.com/buildings/Gateway_Arch.html |title=Gateway Arch |work=GreatBuildings.com |access-date=January 26, 2011 |archive-url=https://web.archive.org/web/20110406121630/http://www.greatbuildings.com/buildings/Gateway_Arch.html |archive-date=April 6, 2011 |url-status=dead }}</ref>
| structural_system    =
| cost                 = $13&nbsp;million (c. ${{formatprice|{{inflation|US-GDP|13000000|1965|r=-5}}}} in {{inflation-year|US-GDP}}){{inflation-fn|US-GDP}}
| location             = 100 Washington Avenue<br />[[St. Louis]], Missouri, 63102, U.S.
| start_date           = {{start date and age|1963|02|12}}
| completion_date      = {{start date and age|1965|10|28}}
| inauguration_date    = {{start date and age|1967|06|10}}
| height               = {{cvt|630|ft|m|0}}
| other_dimensions     = {{cvt|630|ft|m|0}} width
| main_contractor      = MacDonald Construction Co.
| architect            = [[Eero Saarinen]]
| architecture_firm    = Eero Saarinen and Associates
| structural_engineer  = [[Severud Associates]]
| website              = {{URL|https://www.gatewayarch.com/}}
| embedded             = {{Infobox NRHP
| name                 = Gateway Arch
| embed                = yes
| nrhp_type            = nhl
| locmapin             = United States St. Louis#Missouri#USA
| added                = May 28, 1987<ref name="nris">{{cite web |url=https://npgallery.nps.gov/nrhp |title=National Register Information System |date=May 28, 1987 |work=National Register of Historic Places |archive-url=https://web.archive.org/web/20130220204509/http://nrhp.focus.nps.gov/natregsearchresult.do?fullresult=true&recordid=0 |archive-date=February 20, 2013 |url-status=live }}</ref>
| designated_nrhp_type = May 28, 1987<ref name="nhlsum"/>
| refnum               = 87001423
 }}
}}
The '''Gateway Arch''' is a {{convert|630|ft|m|adj=mid|sigfig=3|-tall}} [[monument]] in [[St. Louis]], Missouri, United States. Clad in [[stainless steel]] and built in the form of a [[weighted catenary]] [[Catenary arch|arch]],<ref name="modernsteel.com">{{cite journal |title=St. Louis Arch |url=http://msc.aisc.org/globalassets/modern-steel/archives/1961-1995/1963v04.pdf |journal=Modern Steel Construction |publisher=[[American Institute of Steel Construction]] |date=1963 |volume=3 |issue=4 |pages=12–14 |access-date=January 16, 2015 }}</ref> it is the world's tallest [[arch]]<ref name="nhlsum"/> and [[List of tallest buildings in Missouri|Missouri's tallest accessible structure]]. Some sources consider it the tallest human-made monument in the [[Western Hemisphere]].<ref>{{cite book |last=Lohraff |first=Kevin |year=2009 |title=Hiking Missouri |edition=2nd |url=https://books.google.com/books?id=yO83BlN64sIC&pg=PA73 |location=Champaign, IL |publisher=Human Kinetics |isbn=978-0-7360-7588-6 |page=73 }}</ref> Built as a monument to the [[westward expansion of the United States]]<ref name="modernsteel.com"/> and officially dedicated to "the American people", the Arch, commonly referred to as "The Gateway to the West", is a [[National Historic Landmark]] in [[Gateway Arch National Park]] and has become a popular tourist destination,<ref name="nhlsum"/> as well as an internationally recognized symbol of [[St. Louis]].

The Arch was designed by the [[Finnish-American]] architect [[Eero Saarinen]] in 1947, and construction began on February 12, 1963, and was completed on October 28, 1965,<ref name="facts">{{cite web |url=http://www.gatewayarch.com/Arch/info/arch.fact.aspx |title=Gateway Arch Facts |publisher=Gateway Arch Riverfront |access-date=December 14, 2010 |archive-url=https://web.archive.org/web/20110501044839/http://www.gatewayarch.com/Arch/info/arch.fact.aspx |archive-date=May 1, 2011 |url-status=dead }}</ref><ref name="Ledden">{{cite news |url=http://www.bizjournals.com/stlouis/stories/2010/10/04/daily35.html |title=Gateway Arch to celebrate its 45th |last=Ledden |first=Nicholas |date=October 6, 2010 |newspaper=[[American City Business Journals|St. Louis Business Journal]] |access-date=January 7, 2011 }}</ref> at an overall cost of $13&nbsp;million<ref name="faq">{{cite web |url=https://www.nps.gov/jeff/planyourvisit/arch-faq.htm |title=Arch Frequently Asked Questions |date=July 25, 2006 |access-date=December 14, 2010 |archive-url=https://web.archive.org/web/20110228150037/http://www.nps.gov/jeff/planyourvisit/arch-faq.htm |archive-date=February 28, 2011 |url-status=live }}</ref> (equivalent to ${{formatprice|{{inflation|US-GDP|13000000|1965|r=-5}}}} in {{inflation/year|US-GDP}}).{{inflation-fn|US-GDP}} The monument opened to the public on June 10, 1967.<ref name="Arch timeline">{{cite news |url=http://more.stltoday.com/stltoday/news/special/gatewayarch.nsf/0/4dbea0fa7346ba928625709e000b5027 |title=Arch Timeline |date=October 17, 2005 |newspaper=[[St. Louis Post-Dispatch]] |access-date=December 14, 2010 |archive-url=https://archive.today/20200105204854/https://www.webcitation.org/5uynqxR27?url=http://more.stltoday.com/stltoday/news/special/gatewayarch.nsf/ByDocID/4DBEA0FA7346BA928625709E000B5027%3FOpenDocument |url-status=live |archive-date=January 5, 2020 }}</ref>
It is located at the 1764 site of the founding of St. Louis on the west bank of the [[Mississippi River]].<ref name="csmonitor"/><ref name="Soroka"/><ref name="Wick">{{cite news |url=https://news.google.com/newspapers?id=0kYmAAAAIBAJ&pg=7217,2539949 |title=Curving Gateway Arch: Memorial To Pioneers |last=Wick |first=Temple |date=April 25, 1965 |newspaper=[[St. Petersburg Times]] |page=9B |access-date=December 16, 2010 }}</ref>