Ten Things You May (Or May Not) Know About Our Gateway Arch

ArchAmerica’s tallest national monument is something many St. Louisans take for granted. Thousands drive past it every day, and in the hustle of daily life, it can become invisible by its familiarity. Its grace and monumental beauty are timeless, however, so let’s celebrate some factoids about what I consider St. Louis’ most notable monument to architecture and engineering: our Amazing Arch!

 

  • HEIGHT: 630 feet; WIDTH: 630 feet
  • COST to build the Gateway Arch: $13,420,000
  • IS IT SITUATED DIRECTLY NORTH AND SOUTH? No; it is 18 degrees off
  • LEG WIDTH: At base: 54 feet; at the top: 17 feet
  • NUMBER OF STAINLESS STEEL SECTIONS: 142
  • WEIGHT: 17,246 tons
  • SHAPE: Catenary curve. That’s the shape a free-hanging chain takes when held at both ends.
  • ARCHITECT: Eero Saarinen
  • DEPTH OF THE FOUNDATION: 60 feet
  • HOW MANY CONSTRUCTION WORKERS DIED BUILDING IT? None; though the designers estimated it would take 13 lives.

Learn more at gatewayarch.com

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