View of construction on the Bloomfield Bridge. Connecting Bigelow Boulevard and Liberty Avenue, the bridge took one year to build. It was designed by the city's Bureau of Bridges for an approximate cost of $450,000 but built by the Fort Pitt Bridge Works. The cantilevered structure totals 2,100 feet in length. The main span is 400 feet long of cantilever construction and consists of two cantilever arms, each 140 feet long, and one suspended span of 120 feet.