what kind of bridge is the mackinac bridge
Mackinac Bridge The Mackinac Bridge (/ˈmækɪnɔː/ MAK-in-aw) is a suspension bridge spanning the Straits of Mackinac to connect the Upper and Lower Peninsulas of the U.S. state of Michigan. Opened in 1957, the 26,372-foot (4.995 mi; 8.038 km) bridge (familiarly known as "Big Mac" and "Mighty Mac")[4] is the world's 19th-longest main span and the longest suspension bridge between anchorages in the Western Hemisphere.[5] The Mackinac Bridge is part of Interstate 75 and the Lakes Michigan and Huron components of the Great Lakes Circle Tours across the straits; it is also a segment of the U.S. North Country National Scenic Trail. The bridge connects the city of St. Ignace on the north end with the village of Mackinaw City on the south.