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
Runyang Yangtze River Bridge In between the two bridges is the island of Shiyezhou. Prior to the bridge's completion, round-the-clock ferry services operated across the river. It took about 40 minutes to reach the Zhenjiang Railway Station from Yangzhou. The south bridge is a suspension bridge with a main span of . Upon its completion in 2005 it became the third longest suspension bridge span in the world and the largest in China. With the opening of the Xihoumen Bridge in 2007, it became the second longest span in China. It is now the fifth longest in the world. The towers are above water