Humber Bridge Humber Bridge The Humber Bridge, near Kingston upon Hull, East Riding of Yorkshire, England, is a single-span suspension bridge, which opened to traffic on 24 June 1981. When it was opened, it was the longest of its type in the world; it was not surpassed until 1998, with the completion of the Akashi Kaikyō Bridge, and it is now the eighth-longest. It spans the Humber, (the estuary formed by the rivers Trent and Ouse), between Barton-upon-Humber on the south bank and Hessle on the north bank, thereby connecting the East Riding of Yorkshire and North Lincolnshire. When it opened in
Suspension bridge major wire-cable suspension bridge was the in Philadelphia, Pennsylvania. Designed by Charles Ellet, Jr. and completed in 1842, it had a span of 109 m. Ellet's Niagara Falls Suspension Bridge (1847–48) was abandoned before completion. It was used as scaffolding for John A. Roebling's double decker railroad and carriage bridge (1855). The Otto Beit Bridge (1938–39) was the first modern suspension bridge outside the United States built with parallel wire cables. The main forces in a suspension bridge of any type are tension in the cables and compression in the pillars. Since almost all the force on the pillars is