25 Interesting Facts about Mackinac Bridge By Editorial Staff References: https://en.wikipedia.org/wiki/Mackinac_Bridge https://eu.freep.com/story/news/local/michigan/2017/11/01/mackinac-bridge-facts/793165001/ https://www.mackinacbridge.org/history/history-of-the-bridge/ https://www.mackinawcity.com/17-things-may-not-know-pure-michigans-mackinac-bridge/
