Historical Marker

Frederick A. C. Muhlenberg

Historical marker location:
151 West Main Street, Trappe, Pennsylvania
( Marker is on Main Street/Ridge Pike (Old U.S. 422), on the right when traveling west.)
Marker installed: 2008

Pennsylvania is home to the longest stone arch bridge in the world, the Rockville Bridge, which spans the Susquehanna River near Harrisburg.