Iron bridge (US190, 5,877', c1940) across Mississippi River NW of Baton Rouge, East Baton Rouge County, LA. US190 W. 2.0 miles from jct with I110 exit 5 on the N. side of Baton Rouge to the bridge. (1-28-07, N30 30.41 W91 11.83) Photos by Mark Comstock.