Stone arch bridge (Fountain Creek #1) over Fountain Creek WSW of Waterloo, Precinct 22 Township, Monroe County, IL. IL156 W. 2.2 miles from jct with IL3.byp on the W. side of Waterloo to the bridge on the S. side of the road. (1-16-06, N38 19.54 W90 11.76) Photo by Jack Schmidt.