The New Champlain Bridge, currently being constructed in Montreal to replace the existing 1962 structure, is an integral part of Canada's largest current bridge construction project. The existing bridge carries approximately 160,000 vehicles per day across the St Lawrence River, with traffic projected to grow significantly in the coming years. The new 3.4km-long bridge is expected to be completed in December 2018, and includes a cable-stayed structure with a main span of length 240m (Bd&e issue no 88). The bridge's superstructure is designed as three parallel structures, including two three-lane corridors for vehicular traffic and a two-lane transit corridor for a future light rail transit system. The bridge will also include a path for pedestrians and cyclists. The cable-stayed structure's single tower, which rises 160m above the water, consists of twin columns supporting the superstructure's separate parts.
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