(Musselshell River Goffena Rd.) across Musselshell River E. of Roundup, Musselshell County, MT. US12 E. 12.6 miles from jct with US87 in Roundup, S. on Goffena Rd. 100 yds to the bridge. (N46 29.489 W108 17.254) Photos by Jack & June Schmidt 7-24-13.