Arch bridges are one of the oldest types of bridges ... The New River bridge Today materials like steel and pre-stressed concrete have made it possible to build longer and more elegant arches ...

an arch must be used or a support provided below such as a pier or pontoon. Bailey truss style bridges using a common steel alloy are one of the most common designs. Combination of a truss and arch, ...

Elgin’s Kimball Street Bridge won’t be as eye-catching as San Francisco’s Golden Gate Bridge, but it could end up having a ...