|Other name(s)||Mighty Mac or Big Mac|
|Carries||4 lanes of I-75|
|Crosses||Straits of Mackinac|
|Locale||Mackinaw City and St. Ignace, Michigan|
|Maintained by||Mackinac Bridge Authority|
|Total length||26,372 feet (8,038 m)|
|Width||68.6 feet (20.9 m) (total width)
54 feet (16 m) (road width)
38.1 feet (11.6 m) (depth)
|Height||552 feet (168 m)|
|Longest span||3,800 feet (1,158 m)|
|Vertical clearance||200 feet (61 m)|
|Clearance below||155 feet (47 m)|
|Opened||November 1, 1957|
|Toll||$1.75 per axle for passenger vehicles ($3.50 per car). $3.50 per axle for motor homes. $4.50 per axle for commercial vehicles.|
Mackinaw City and St. Ignace
The Mackinac Bridge is a 5-mile-long (8-km.-long) bridge that carries a four-lane interstate highway, Interstate 75. It was built by the U.S. state of Michigan and connects that state's Upper Peninsula and Lower Peninsula together.
The government hangs colored lights from the big cable, and turns them on at night so that the bridge can be seen from many miles away.
The Mackinac Bridge was opened in 1957, and this started a major economic boom in northern Michigan as tourists drove from all over North America to see the bridge, the Great Lakes, and the northern forests.
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