That bridge was built to connect the "new" Cass Tech [[built 1917) to its old building, which soon became the High School of Commerce. The bridge, which was dedicated to the school's WWI dead, was built across what was then High St., later renamed Vernor Hwy. I believe that it, and Commerce, were torn down to make way for the Fisher Fwy. [[I-75) in the 1960s.
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