(Viaduct) under bike path (abandoned RR) NW of Florence, Northampton Township, Hampshire County, MA. MA9 (Main St.) NW 1.3 miles from jct with Maple St. in Florence, veer left onto Florence St. 0.2 miles, S. on Arch St. 100’ to the bridge. (N42 20.985 W72 41.606) Photo by Jack & June Schmidt 7-8-14.