The Mackinac Bridge in Michigan - Photo: Bob Miles - Vintage Bridge Postcard Grand_Rapids_MI Ohio on Lower Twin Road

Ohio on Lower Twin Road

On back: Spanning Big Rock Fork

condition: typical aging for black and white photo

Mailed: Postmark: 1986

The Mackinac Bridge in Michigan - Photo: Bob Miles - Vintage Bridge Postcard Grand_Rapids_MI Ohio on Lower Twin RoadFront: The Mackinac Bridge in Michigan Back: Mackinac Bridge (Pronounced Mackinaw) The Mighty Mac bridges the Straits of Mackinac, connecting Michigans two Peninsulas at Mackinaw City in the in the lower and St. Ignace in the Upper Peninsula. The towers are 552 feet above the water, and the overall length is more than five miles. It is the longest suspension bridge in the world. and was designed by Dr. D. B. Steinman. Unmailed: Condition: Excellent