Tearing down the old steel truss cantilever Champlain Bridge in Montreal could cost around US$300 million, according to preliminary estimates by a federal government agency. Also, until the nearby new Champlain Bridge is finished, it will cost US$93 million annually to maintain the old one, according to Jacques Cartier and Champlain Bridges Incorporated (JCCBI), the federal Canadian agency that oversees several major road infrastructure assets in the city. Dismantling will start in 2019 at the earliest and