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
Cameron Suspension Bridge Cameron Suspension Bridge The Cameron Suspension Bridge crosses the Little Colorado River at Cameron, Arizona, United States. The bridge formerly carried U.S. Route 89, but was replaced by a newer deck truss bridge in 1959. Built in 1911, it has an overall length of and a main span of . The bridge was built by the Midland Bridge Company of Kansas City for the Office of Indian Affairs and the Indian Irrigation Service. W. H. Code of the Midland Bridge Company was the designer. The suspension design was chosen to address the steep-walled canyon at the crossing, which required a