Joining Michigan's Peninsulas Interesting statistics on the Bridge designed by Dr. David B. Steinman. Total Length incl. approaches ….. 5 mi. Length suspension incl. anchorages . . . 8.614 ft. (Longest in the world) Total length wire in main cable . . . . 42,000 mi. Will withstand wind velocity of 120 mph. During the rush seasons it was not unusual to wait 10 to 12 hours for the ferry ride. It now takes 10 minutes to drive across.