County Boundary Signs In Missouri
MO-21 South - Jefferson County Line
Jefferson County Line on MO-21 south at the Meramec River bridge.
Taken 03-27-2026
Rock Township
Saint Louis County
Missouri
United StatesJefferson County Line on MO-21 south at the Meramec River bridge.
Taken 03-27-2026
Rock Township
Saint Louis County
Missouri
United States