Humber Bridge July 1981. With a centre span of and a total length of , the Humber Bridge was the longest single-span suspension bridge in the world for 17 years, until Japan's Akashi Kaikyō Bridge opened on 5 April 1998. The road-distance between Hull and Grimsby was reduced by nearly as a consequence of the bridge. The bridge's surface takes the form of a dual carriageway with a lower-level foot and cyclepath on both sides. There is a permanent speed limit on the full length of the bridge. Each tower consists of a pair of hollow vertical concrete columns, each tall and
Cameron Suspension Bridge Cameron Suspension Bridge The Cameron Suspension Bridge crosses the Little Colorado River at Cameron, Arizona, United States. The bridge formerly carried U.S. Route 89, but was replaced by a newer deck truss bridge in 1959. Built in 1911, it has an overall length of and a main span of . The bridge was built by the Midland Bridge Company of Kansas City for the Office of Indian Affairs and the Indian Irrigation Service. W. H. Code of the Midland Bridge Company was the designer. The suspension design was chosen to address the steep-walled canyon at the crossing, which required a