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
Punalur Suspension Bridge heavy traffic on the National Highway 208, a new strong bridge was built. The bridge was recently repaired and renovated by the government of Kerala. The structure was strengthened, new wood panels of the same tree (Kambakom) which was first used in the construction were fitted, the steel armrests and the stone columns were painted, night lamps were installed and a new park and resting place was made near the bridge. Punalur Suspension Bridge The Punalur Suspension Bridge, located in Punalur is the oldest motorable Bridge in Kerala, which was built by the British and is now a historical attraction.