At 890 feet over the Colorado River, it is the world’s highest concrete arch bridge and America’s second-highest, also known as the Hoover Dam Bypass Bridge.

This 1924 cover shows a reinforced concrete bridge over the Seine River under construction in Saint-Pierre-du-Vauvray, France. It was designed by Eugene Freysinnet, the inventor of pre-stressed ...

A plaque at the halfway point mentions the design pattern date as 1867, but records in Nashville show the bridge construction ...

The new bridge will include two lanes in each direction, with 12-foot shared-use paths on each side. It will sit on concrete piers that will frame the river.

The historic open-spandrel concrete arch U.S. 40 bridge over the Conococheague Creek, west of Hagerstown, on April 17, 2025.