Norfolk Southern Railroad Bridge.

This is a  lift railroad bridge on the Calumet River system approximately 7.2 miles from the entrance of the Calumet Harbor.  It is located between the Torrence Avenue traffic Vertical Lift Bridge and the 130th Street Traffic Bridge.

This is a vertical lift bridge.  It has bolted connections but riveted built up beams.  The design is Warren Truss.  There is one main span and 2 approach spans.   Main span length is 320 feet.    Apparently it can only be photographed from the water.  It is listed as open.   It was previously owned by the Nickel Plate RR.  Current owner is Norfolk Southern.

It was built by the American Bridge Company in 1971.  Previously, there was a swing bridge at the location.