Humber Bridge single-span suspension bridge for 16 years from its opening in July 1981, until the opening of the Great Belt Bridge in June 1997, and was relegated to third place with the opening of the Akashi Kaikyō Bridge in April 1998. It is now the eighth longest single-span suspension bridge. The central span, at 1410 m (4640 ft), is the UK's longest. It remains the longest single-span suspension bridge in the world that one can cross on foot or by bicycle. The bridge is crossed twice during the annual Humber Bridge half marathon. In July 2013, work began on introducing a
Ralph Freeman (1911–1998) projects: the M2 and M5 motorways, the Forth Road Bridge, the Severn Bridge, both Bosporus bridges, and the harbour tunnel and mass transit rail systems in Hong Kong. He served as president of the Institution of Civil Engineers in 1966-7. The pinnacle of his career was the Humber suspension bridge which, when it opened in 1981, was the longest single-span suspension bridge in the world, 1410m between its two 155m-high pylons. His son, Ralph (but known as Anthony), who also took up civil engineering, died in July 1998 after an accident on the Vasco da Gama bridge in Lisbon. Ralph