US 12–St. Joseph River Bridge

A covered Burr arch truss was then built in 1867, of which the ruins of its abutments remain.

[3] The camelback bridge was constructed in 1922, with Smith and Nichols of Hastings, Michigan, as contractor.

[2] The bridge was designated a Michigan State Historic Site on April 10, 1986, and an informational marker was erected on October 31, 1989.

Instead of demolishing the structure, the Michigan Department of Transportation preserved it as an engineering landmark.

[1] The bridge was built from standardized plans developed by the Michigan State Highway Department by the early 1920s.

The bridge and its Michigan State Historic Site marker
The bridge (left) and its replacement (right)
Closeup of the decorative openings and recesses