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Mackinac Bridge Opens as World’s Longest Suspension
The five mile Mackinac Bridge links Mackinac City and St. Ignace in Michigan and completes a historic span. Built for 100 million dollars over four years, it extends 8,414 feet between anchors, surpassing the Golden Gate by 2,164 feet. Foundations reach 200 feet to bedrock amid turbulent water while special trusses and armor plate guard against wind and winter. Two approach spans add nine thousand feet, with a 48 foot roadway for four lanes.
MENTIONED IN THIS ARTICLE
Michigan
Mackinac
Upper
Lower Peninsula
Mackinac City
St. Ignace
Anchorage
San Francisco
Golden Gate Bridge