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
Aizhai Bridge Aizhai Bridge The Aizhai Bridge () is a suspension bridge on the G65 Baotou–Maoming Expressway near Jishou, Hunan, China. The bridge was built as part of an expressway from southwest China's Chongqing Municipality to Changsha. The bridge is famous for the spectacular view it offers those crossing it. With a main span of and a deck height of , , it is the seventh-highest bridge in the world and the world's fifteenth-longest suspension bridge. Of the world's 400 or so highest bridges, none has a main span as long as Aizhai. It is also the world's highest and longest tunnel-to-tunnel