The Stone Arch Bridge will open Monday afternoon, even earlier than previously announced. A private ribbon cutting will ...

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.

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

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

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 ...