MONTREAL -- Workers will soon complete the construction of migratory corridors for fish in the St. Lawrence River as dismantling work on the old Champlain Bridge between Montreal and the South Shore continues. The Jacques Cartier and Champlain Bridges Incorporated (JCCBI) explained that the project will reduce the impact on fish in the river. The two migratory corridors should be operational for the fish migration and the spawning season, next spring. More than forty species frequent the area where the St. Lawrence River widens between the Lachine Rapids and the Victoria Bridge, including bass, lake sturgeon, walleye and black perch. These species are all likely to inhabit the area of the river where the construction work for the jetty and the dismantling of the old bridge are located.