Mackinac Bridge Authority

Spanning the Straits of Mackinac since 1957

Has the Authority considered building a second deck on the bridge, one that could shield traffic from falling ice?

Posted on November 10th, 2022

Not really. The Authority is currently saving up to replace the existing deck, at an estimated cost of several hundred million dollars, but it’s unlikely the current superstructure could support a second deck. Again, for the few times falling ice closes the bridge, and the relatively short duration of those closures, it wouldn’t be a cost-effective mitigation, even if it was possible.

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