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
Niagara Falls Suspension Bridge Niagara Falls Suspension Bridge The Niagara Falls Suspension Bridge, which stood from 1855 to 1897 across the Niagara River, was the world's first working railway suspension bridge. It spanned and stood downstream of Niagara Falls, where it connected Niagara Falls, Ontario, to Niagara Falls, New York. Trains used the upper of its two decks, pedestrians and carriages the lower. The brainchild of Canadian politicians, the bridge was built by one American and one Canadian company. It was most commonly called the Suspension Bridge; other names included Niagara Railway Suspension Bridge, Niagara Suspension Bridge, and its official American name, the International