The mandate of The Jacques Cartier and Champlain Bridges Incorporated is to operate and maintain the Jacques Cartier and Champlain bridges, the federally-owned portion of the Honoré Mercier Bridge, a portion of the Bonaventure Expressway, the Melocheville Tunnel and the Champlain Bridge ice control structure by undertaking regular and major maintenance work while providing the public with a safe and efficient transit across the structures.