Arizona has over 8,000 bridges, but which one is the longest? The Sonoran Desert state has its fair share of surprises, and the number of bridges might be one, given the lack of large bodies of water.

The Theodore Roosevelt Bridge (also known as the Teddy Roosevelt Bridge) is located in Washington, D.C. It carries Interstate 66 and U.S. Highway 50 over the Potomac River near the Kennedy Center ...