Iron bridge (Marais Des Cygnes #1) across Marais Des Cygnes River in Osawatomie, Miami County, KS. Main St. E. 0.4 miles from jct with US169 on the E. side of Osawatomie, N. on 1st St. 0.3 miles to the bridge. (12-26-06, N38 30.33 W94 56.54) Photos by Ruth Reynolds.