(More typically, modern arch bridges span between 200-800 feet.) ground on either side of the bridge. In situations where there is an active water or road way below, this method allows contractors ...

Before seafaring and air travel took over, we had bridges to connect us all. In many ways, they’ve helped shape communities ...

This idea isn’t new—it goes back thousands of years. The Romans and Mesopotamians built arches that used compression to ...

The Gateway Arch is undoubtedly the most famous ... an esthetic transformation of such functional creations as bridges and dams in which, to date, modern architecture has achieved its greatest ...