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- panoramio ... Chicago River Bascule Bridge, Michigan Avenue, Spanning Chicago River at North Michigan Avenue, Chicago, Cook County, IL HAER ILL, 16-CHIG, 129-4.tif 3,569 × 5,000; 17.02 MB. Construction of the bridge started in 1918, it opened to traffic in 1920, and decorative work was completed in 1928. References. The Michigan Avenue Bridge (officially DuSable Bridge) is a bascule bridge that carries Michigan Avenue across the main stem of the Chicago River in downtown Chicago, Illinois, United States. Historic Michigan Ave Bridge P8190418.jpg 3,072 × 2,304; 1.1 MB. Jump to navigation Jump to search. Overview . English: The Michigan Avenue Bridge (officially DuSable Bridge) is a bascule bridge that carries Michigan Avenue across the main stem of the Chicago River in downtown Chicago, Illinois, United States. Other websites. Media in category "Michigan Avenue Bridge" The following 198 files are in this category, out of 198 total. Michigan Avenue Bridge.