Stone arch bridge (Sprogels Run, 1854) across Sprogels Run E. of Pottstown, Lower Pottsgrove Township, Montgomery County, PA. Armand Hammer Blvd N. 0.7 miles from jct with US422 on the SE side of Pottstown, E. on High St. 0.2 miles to the bridge. (6-26-06, N40 14.63 W75 36.60) Photo by Jack Schmidt.