The Gateway Arch in St. Louis is one of the most popular visitors attractions in the country. It took two years and a crew led by an award winning construction crew.
It took 2 years.
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it could take years decades or even centries
The longest took about 22 years, for proof I got that off a history book.
it take 2 days
it took 27years to build interstate 75.
The arch of what?
3 years in addition to eero
building an arch bridge takes time.. depending on weather or climate. most bridges are completed between 10 to 15 years.
The tallest arch made by humans is the Gateway Arch in Saint Louis, at 190 meters. Landscape Arch in Arches NP is the tallest one there at 93 meters. Aloba Arch in Chad, Africa, is a natural arch of height 120 meters.
It depends on the bridge, becaue you have to take into consideration the length, the material, and the location.
This may help alot http://www.hirstarts.com/temple/temple.html
15,000 pieces
20hours
200,350 $
10010022345648
210
St. Louis to Miami is much longer.