Mackinac Bridge, Marvel of Construction, Michigan - Photo by Lucy Gridley - Vintage Postcard

On front: A photo of the Mackinac Bridge, Photo: Lucy Gridley 
On back: Marvel of Construction - Spanning the heavily travelled Straits of Mackinac, and connecting Michigan’s Upper Peninsula to the Great Peninsula at Mackinaw City, and St. Ignace, the magnificent bridge was engineered to withstand many times the recorded stresses of ice pressure, wind, velocity and gravity. Overall length of the bridge is 5 miles; center span 3800 feet between the 565 ft. towers; 8614 feet between anchorages.
Condition: good, minor aging
Unmailed:
Color print  
Publisher: Penrod/Hiawatha Card Co. 

**Our vintage postcards may have signs of wear or production imperfections.  Bending, foxing, soft corners or tears will be noted in the description; photos are part of the descriptions. Questions welcome. Thanks for shopping!