Arizona's longest bridge may not be it's most famous, but it is an architectural wonder. Here's what to know about the bridge and how to see it.

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 ...

AECOM has designed a pedestrian bridge supported by a single arch in Chicago, which encourages cycling, skating and walking. The crossing connects the Bronzeville neighbourhood with the lakefront ...