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Bridges & Crossings
Bridges & Crossings
In Michigan, there are three publicly-owned and operated bridges: Mackinac Bridge, Blue Water Bridge, and International Bridge. There are also two privately-owned and operated border crossings: Ambassador Bridge and Detroit-Windsor Tunnel.
For more information on travel and crossing information, such as tolls, travel documentation, and traffic conditions, visit the individual bridge or border crossing website.
Mackinac Bridge
The Mackinac Bridge measures five miles long and is the longest suspension bridge in the western hemisphere. It is located on I-75 in northern Michigan and connects Michigan's lower peninsula in Mackinaw City with Michigan's upper peninsula in St. Ignace.
International Bridge
The Sault Ste. Marie International Bridge is the only vehicular crossing between Ontario and Michigan within a 300-mile distance. The International Bridge is located at the northern terminus of I-75 and connects Sault Ste. Marie, Michigan, with Sault Ste. Marie, Ontario.
Blue Water Bridge
The Blue Water Bridges are a major international crossing over the St. Clair river at the southern end of Lake Huron. The bridges are located between Port Huron, Michigan and Point Edward, Ontario.