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
Sanchaji Bridge (). Sanchaji Bridge The Sanchaji Bridge () is a self-anchored suspension bridge in Changsha, Hunan, China. Completed on June 8, 2006, it has a main span of and total length of . It is signed as part of the North Second Ring Road. The bridge crosses the Xiang River between Yuelu District and Kaifu District. The name of the bridge comes from the historic place "Sanchaji", which is a community in Yuelu District now. The bridge over the Xiang River had the longest self-anchored suspension bridge in the world]] when it was completed in June 2006–. This was a record