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60 Years Ago: Mackinac Bridge Construction

Thursday, November 2, 2017

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In commemoration of the 60th anniversary of its opening, the Michigan Department of Transportation recently released an archival video of the construction of one of its most famous bridges—the “Mighty Mac.”

The Mackinac Bridge, connecting the state’s Upper and Lower Peninsula, opened Nov. 1, 1957, after decades of discussion and more than three years of construction. The 5-mile-long bridge, with a main span that’s 3,800 feet long, was crafted with 71,300 tons of structural steel, 3,700 tons of reinforcing steel and 466,300 cubic yards of concrete, according to MDOT.

The bridge, carrying Interstate 75 over the Straits of Mackinac, has been undergoing repainting and rehabilitation work for the past three years.

MDOT provided the archival footage to local news site, which published the video on its Youtube page. The film is daunting at times; personal protection equipment wasn’t quite the same in 1957 as it is today. Take a gander:


Tagged categories: Bridges; Construction; Contractors; NA; North America; Program/Project Management; Roads/Highways

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