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
Tacoma Narrows Bridge the previous design had been eliminated. This bridge along with its new parallel eastbound bridge is currently the fifth-longest suspension bridges in the United States. When built, the westbound bridge was the third longest suspension bridge span in the world. Like other modern suspension bridges, the westbound bridge was built with steel plates that feature sharp entry edges rather than the flat plate sides used in the original Tacoma Narrows Bridge (see the suspension bridge article for an example). The bridge was designed to handle 60,000 vehicles a day. It carried both westbound and eastbound traffic until the eastbound bridge