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
Clifden Suspension Bridge year. After repairs, the bridge was re-opened to pedestrians in November 2013. The bridge, constructed of twenty-seven steel cables attached to concrete pillars (clad to resemble stone pillars), still has its historic wooden decking. It is listed as a Category I Historic Place by Heritage New Zealand. Clifden Suspension Bridge The Clifden Suspension Bridge is a historic suspension bridge near Clifden, New Zealand. Built in 1899, it spans the Waiau River and is 111.5 m long. It is sometimes called the "Iron Bridge." The bridge has been accessible to pedestrians only since 1978. In April 2010 the bridge was closed