Mackinac Bridge Stats:
Total length of Bridge with approaches (5 miles) - 26,372 ft.
Total length of steel superstructure - 19,243 ft.
Length: Suspension bridge (including anchorages) - 8,614 ft.
Length: Main span (between main towers) - 3,800 ft.
Main towers above water - 552 ft.
Maximum depth of water at mid span - 295 ft.
Maximum depth of tower piers below water - 210 ft.
Height of roadway above water at mid span - 199 ft.
Under clearance at mid span for ships - 155 ft.
Total length of wire in main cables - 42,000 miles
Number of wires in each cable - 12,580
Weight of cables - 1,840 tons
Diameter of main cables - 24 1/2 inches
Diameter of each wire - 0.196 inches