The least stone stone bridge

The Landis Spring bridge, which is on the National Road, south of Hagerstown, Maryland, between Thomas Drive and Cool Hollow Road, is a curious structure. It began life as a stone bridge, but was later covered with concrete and boxed in with steel. The only visible stone part that remains is a small section of stone on the right end of the bridge in the photograph. If you look under the bridge, the characteristic arch remains.


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