. . . . . . . "the Upper and Lower Peninsulas of Michigan" . . "1957-11-01" . . "bridge of steel" . . . "Mackinac Bridge" . . . . . . . . "Mackinaw Bridge Museum" . . . "Bridge" . . . . . . . . . . "the bridge" . . . . . . . "Mackinac" . . "bridge" . . "1158.24" . "Mackinac Bridge" . . . "Mackinac Bridge#Crossing the bridge" . . . . . "1957" . . . . "8038.1856" . . . . . . . . . . "20.90928" . . . . . . . . . . . . . . . . . . . "168.2496" . "Mackinac Straits Suspension Bridge" . "11600" . "2.0" . . . "4 lanes of" . . . "decaying bridge" .