For this reason, arch bridges must be made of materials that are strong under compression. The Romans used stones. One of the most famous examples of their handiwork is the Pont du Gard aqueduct ...

which is up there with the longest natural bridges on Earth. The post World-Famous Sandstone ‘Double Arch’ Collapses In Glen ...

Famous for its gilded Fames sculptures ... an older bridge that had been destroyed during World War II. The bridge features a single arch that spans 122 meters (400 feet) and is supported by ...

According to the Arizona Department of Transportation, it’s also the longest two-lane, single-span, steel-arch bridge in North America. The arch bridge hovers 300 feet above the water and was ...

Did you know Pennsylvania is home to the longest stone arch bridge in the world? Built by the Pennsylvania Railroad, the Rockville Bridge opened on March 20, 1902. It replaced an iron bridge built ...