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
Pierre Laporte Bridge of Quebec, Department of Roads in a joint venture with the private firm of "Parsons Transportation Group". It carries Autoroute 73, north from Autoroute 20, the Trans-Canada Highway, to Quebec City and Autoroute 40, and northwards towards Saguenay, Quebec. Pierre Laporte Bridge The Pierre Laporte Bridge () is the longest main span suspension bridge in Canada. It crosses the Saint Lawrence River approximately west of the Quebec Bridge between Quebec City and Lévis, Quebec. It is the longest non-tolled suspension bridge in the world. It was originally named the New Quebec Bridge and was supposed to be called Pont Frontenac