how tall is the mackinac bridge

The Mackinac Bridge stands 552 feet tall to the top of its main towers above the water, with the roadway about 200 feet above the water at mid-span. The main span between the towers measures 3,800 feet, and the overall bridge length including approaches is about 26,372 feet (roughly 5 miles). The vertical clearance below the bridge at mid-span is about 155 feet under normal conditions.