State of Michigan, Mackinac Bridge

Description:

On reverse: "The center span of a five-mile bridge being constructed across the Straits of Mackinac, connecting Michigan's two great peninsulas at Mackinac City on the lower, and St. Ignace on the upp-er. Designed by Dr. D. B. Steinman, this bridge has been engineered to withstand many times the recorded stresses of ice pressure, wind velocity, gravity, and so forth. Overall length of the bridge is 5 miles, has four lanes for traffic. Center span 3800 feet long between two 565-foot towers, water clearance of 150 feet. Construction started in May 1954, scheduled for opening in late 1957.

Data Provider:

Capital Area District Library (Lansing, MI). Forest Parke Library and Archives

Collection:

Caterino Postcard Collection

Subject Topic:

Michigan, Greeting cards, and Bridges

Language:

English

Rights:

Copyright Not Evaluated

URL:

http://cadl.pastperfectonline.com/archive/C5D1A77C-1599-4401-A654-492594476617