Iron bridge (Little Blue Creek, 101', 1961) across Little Blue Creek SE of Detroit, Detroit Township, Pike County, IL. IL100/106 E. 1.5 miles from jct with Milton St. in Detroit, continue E. on TR1500N 0.5 miles, S. on TR3850E 1.1 miles, E. on TR1380N 0.5 miles, S. on TR3920E 0.1 miles to the bridge. (11-10-07, N39 36.109 W90 37.401)