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Opened in 1957, the 26,372-foot-long (4.995 mi; 8.038 km) [1] bridge is the world's 27th-longest main span and is the longest suspension bridge between anchorages in the Western Hemisphere. [5] The Mackinac Bridge is part of Interstate 75 (I-75) and carries the Lake Michigan and Huron components of the Great Lakes Circle Tour across the straits ...
The world's longest suspension bridges are listed according to the length of their main span (i.e., the length of suspended roadway between the bridge's towers). The length of the main span is the most common method of comparing the sizes of suspension bridges, often correlating with the height of the towers and the engineering complexity involved in designing and constructing the bridge. [4]
Note: There is no standard way to measure the total length of a bridge. Some bridges are measured from the beginning of the entrance ramp to the end of the exit ramp. Some are measured from shoreline to shoreline. Yet others use the length of the total construction involved in building the bridge.
The Mackinac Bridge will close to traffic between 2:30-3 a.m. on Tuesday, Nov. 29 and Wednesday, Nov. 30 for replacement of the bridge’s backup power system.
A new survey ranks Michigan's Mighty Mac among the nation's top 10 most scenic bridges. The Mackinac Bridge ranked seventh nationwide, falling within the top 10 of a 100-bridge ranking.
The Mackinac Bridge Authority announced on Tuesday that the walk will begin from a new location on the St. Ignace side, at Bridge View Park, in an effort to improve safety.
Long Beach International Gateway Bridge: Back Channel, Port of Long Beach: 2020: ... Mackinac Bridge: Straits of Mackinac: 1957: Michigan: Mon–Fayette Expressway ...
The structure is the largest concrete segmental bridge in the United States. [128] Mackinac Bridge. The second is the Mackinac Bridge that connects Michigan's two peninsulas at the Straits of Mackinac. A structure was first proposed in 1888 by one of the directors of the Grand Hotel on Mackinac Island. Car ferry service was started in 1923 to ...