This short video clip from construction of the Mackinac Bridge was taken by Robert C Shaw. RC Shaw Construction of Ludington, Michigan had several projects in the Straits area, including work at Fort Michilimackinac. Provided by his Gandson, Bob Shaw. | MightyMac.org - The Mackinac Bridge & Straits of Mackinac

UPDATE 1:40 P.M.: The Mackinac Bridge is back open after zero-visibility-conditions closed it for several hours on Wednesday, February 18. -------- The Mackinac Bridge is closed to all traffic Wednesday, February 18, due to current weather conditions. Motorists approaching the bridge are being instructed to slow down to 20 miles per hour and be prepared to stop. Bridge personnel are stationed at both ends of the structure to direct drivers and provide further instructions. The Mackinac Bridge Au