When I posted this bridge I originally assumed it was the main bridge over the St. Mary's River at Mendon. Thanks to the discovery of https://bridgehunter.com/oh/mercer/bh99372/, however, I lean toward the postcard on this page being Neptune-Mendon Road over Twelvemile Creek east of Mendon. Now that I look at it, the truss in the postcard looks a bit small for the St. Mary's, but would be about the right size for Twelvemile Creek.
When I posted this bridge I originally assumed it was the main bridge over the St. Mary's River at Mendon. Thanks to the discovery of https://bridgehunter.com/oh/mercer/bh99372/, however, I lean toward the postcard on this page being Neptune-Mendon Road over Twelvemile Creek east of Mendon. Now that I look at it, the truss in the postcard looks a bit small for the St. Mary's, but would be about the right size for Twelvemile Creek.