ST. IGNACE AND MACKINAW CITY, MICHIGAN, U.S.A.

Mackinac Bridge

Opened 1 November, 1957

The longest suspension bridge in the western hemisphere and fifth longest in the world (as of 2021). The bridge designer states that there were 11,350 workers constructing the bridge using 85,000 blueprints. There were 100 million crossings occurred in its first 41 years.

Mackinac Bridge Fact Sheet

Name
Mackinac Bridge
Local moniker(s)
The Mackinac Bridge
Big Mac
Mighty Mac
Location
Straits of Mackinac, Michigan, U.S.A.
Connects the city of St. Ignace in the north with the village of Mackinaw City in the south.
Coordinates
45°49′1.41″N 84°43′40.16″W
Construction started
1954
Date opened
1 November, 1957
Design type
Suspension/Cable stayed etc.
Suspension
Construction cost (1957)
$100,000,000 (US)
€101,015,750
£280,283,735
Designer
David Barnard Steinman
Type of traffic
(road and/or rail)
Road
Owner/Operator
Mackinac Bridge Authority
N415 I 75
St. Ignace, MI 49781
Robert Sweeney: sweeneyb@michigan.gov
Links
Read more...

Last updated: September 21, 2021

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