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Tag: 54-foot wide bridge roadway
Roadbuilding
Mich.’s Mackinac Bridge turns 60 years old
The Mackinac Bridge celebrated 60 years on November 1. According to WXYZ Detroit, the “Mighty Mac” is the longest suspension bridge in the western hemisphere at 12,826 feet (nearly 2.5 miles) and the fifth longest in the world. According to the Mackinac Bridge Authority, the idea of the bridge came from the Lansing Republican newspaper […]
November 10, 2017
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