09-30-2018 Mackinac Bridge
Mackinac Bridge, Mackinac Straits, Straits State Park, Michigan. The Mackinac Bridge is a suspension bridge spanning the Straits of Mackinac. It connect the Upper and Lower Peninsulas of Michigan. Opening in 1957 and being 26,372-foot-long, the "Big Mac" is the world's 20th-longest main span bridge and the longest suspension bridge in the Western Hemisphere.