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
Broughton Suspension Bridge ordered to break step on bridgesnevertheless, marching was cited as a contributing factor to the collapse of the Angers Bridge in France during a storm in 1850, killing over 200 soldiers. Broughton Suspension Bridge was rebuilt and strengthened, but, according to the "Imperial Gazetteer of England and Wales (1870–72)", it was propped with temporary piles whenever a large crowd was expected. The suspension bridge was eventually replaced by a Pratt truss footbridge, designed by the Borough Engineer at a cost of about £2,300, which was formally opened on 2 April 1924. Broughton Suspension Bridge Broughton Suspension Bridge was an iron