This impressive photograph collection captures the struggles and the hardships, as well as the determination and the pride of the men who labored to build the Mackinac Bridge. With a total span length of 8,344 feet from anchor block to anchor block, the Mackinac Bridge is the longest suspension bridge in the world. It surpasses the Golden Gate Bridge, the Verrazano-Narrows Bridge, and the Humber Bridge in England, even with their...