The Pequonnock River Railroad Bridge is a railroad drawbridge (movable bridge) over the Pequonnock River in Bridgeport, Connecticut. Owned by the State of Connecticut and maintained and operated by both Amtrak and Metro-North Railroad, it is also referred to as Pequonnock River Bridge, PECK Bridge, and Undergrade Bridge 55.90 (the mileage from Grand Central Terminal). Currently the bridge is part of the Northeast Corridor line, carrying rail traffic of Amtrak and Metro-North, as well as freight trains operated by the Providence & Worcester Railroad.