About: http://dbpedia.org/resource/Canadian_Pacific_Camden_Place_Rail_Bridge

Canadian Pacific Camden Place Rail Bridge is a truss bridge that spans the Mississippi River in Minneapolis, Minnesota. This bridge is the official end of the navigable channel for river traffic. It was built in 1905 by the Minneapolis, St. Paul and Sault Ste. Marie Railway. In 1977, the bridge was modified to allow higher clearance under the center span. This was done by replacing the deck truss span with a shallower girder span.