(Old Darby Road, 164', 1917) across Bitterroot River N. of Darby, Ravalli County, MT. US93 N. (curves W.) 4.8 miles from jct with Missoula Av. in Darby, N. on Old Darby Rd. 0.15 miles to the bridge. (N46 05.550 W114 10.536) Photo by Jack & June Schmidt 7-12-13.