Chicago Skyway Calumet River Bridge Rehabilitation

Prime contract for fabrication and erection of nine-span bridge on the Chicago Skyway over the Calumet River.  The bridge includes 3 x 208′ deck truss spans for the north approach, 3 x 178′ deck truss spans for the south approach, and a 3 span 1,300′ cantilevered truss with a 650′ main span and 325′ anchor arms.  The bridge was erected using falsework bents to construct the anchor arms and cantilevering the main span from two fronts.  An American Bridge S-2 traveler derrick was used for erection.  8,777 tons of fabricated steel.