(Riddle Road) across Pretty Run NW of McArthur, Eagle Township, Vinton County, OH. US50 W. 8.1 miles from jct with OH93 (Market St.) in McArthur, N. on Goosecreek Rd. 0.5 miles, veer left onto Garrett Ridge Rd. 2.4 miles, W. on Pretty Run Rd. 4.3 miles, S. on Riddle Rd. 100 yds to the bridge. (N39 19.910 W82 40.292) Photo by Jack & June Schmidt 7-3-15.