Humber Bridge July 1981. With a centre span of and a total length of , the Humber Bridge was the longest single-span suspension bridge in the world for 17 years, until Japan's Akashi Kaikyō Bridge opened on 5 April 1998. The road-distance between Hull and Grimsby was reduced by nearly as a consequence of the bridge. The bridge's surface takes the form of a dual carriageway with a lower-level foot and cyclepath on both sides. There is a permanent speed limit on the full length of the bridge. Each tower consists of a pair of hollow vertical concrete columns, each tall and
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.