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Michigan's Publicly-owned Bridges

map of Michigan's publicly owned bridgesThree major Michigan bridges--the Mackinac Bridge, the International Bridge and the Blue Water Bridge--are publicly owned and operated. The International Bridge and the Blue Water Bridge provide crossings into Canada.

Two other border crossings--the Ambassador Bridge and the Detroit-Windsor Tunnel--are privately owned and operated. More information about these can be found on their Web sites: and

Effective June 1, 2009, U.S. citizens returning to the United States from Canada, Mexico, the Caribbean or Bermuda, by land or sea, will be required to present an approved travel document to be admitted to the United States.

A complete list of Western Hemisphere Travel Initiative-compliant documents appears on the Department of Homeland Security Web site at:

Tolls & Crossings

• Bridge Tolls


• Ferries

Bridge Conditions

• International Bridge Camera

• Mackinac Bridge Camera

• Current Conditions When you are traveling in the Straits area, please tune to AM radio 530 or 1610, or call 1-800-381-8477 for condition updates and road conditions.

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