Mackinac Bridge, St. Ignace - SkyscraperPage.com

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Mackinac Bridge

St. Ignace MI United States
http://www.mackinacbridge.org/

Status:	built
Construction Dates
Began	1954
Finished	1957

Building Uses

- transportation

Structural Types

- bridge

Heights	Value	Source / Comments

Tower piers	762 ft	www.mackinacbridge.org/
	Height including sections below water

Roof	552 ft	www.mackinacbridge.org/
	Height of tower above water

Roadway	199 ft	www.mackinacbridge.org/
	Height of roadway above water at midspan

Switch heights to

Description
- Chief Engineer: Dr. David B. Steinman

- Constructor: American Bridge Company

- Total Length: 8,038 Meters

- Length of suspension (inc. approaches): 2,626 Meters

- Length of Main Span: 1,158 Meters

- Part of I-75, this was once the longest suspension bridge in the world. It held that title until 1998.

- This bridge connects Michigan's Upper and Lower Peninsulas.

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