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    In 1923, the Thunder Bay River crested 18 inches over the 1922 record high. The Chisholm Street and Ninth Street bridges collapsed. Homes near Ninth Street and Washington Avenue were surrounded by wa

    Ninth Street Bridge, Alpena, Michigan during flood on April 23, 1923.

    Chisholm Street Bridge (Thunder Bay River) damaged from flood on April 23, 1923.

    Collapse of the Ninth Street Bridge across the Thunder Bay River, Alpena, Michigan during the flood of April 1923.

    Collapse of the Ninth Street Bridge across the Thunder Bay River, Alpena, Michigan during the flood of April 1923.