
MO-21/MO-47 South at MO-21/MO-47 split in Old Mines. MO-21 is designated the Ozark Run Scenic Byway
Taken 03-27-2026
Cadet
Washington County
Missouri
United States
MO-21 South at MO-47 junction. MO-47 South joins MO-21 South to Old Mines. MO-21 is designated as the Ozark Run Scenic Byway.
Taken 03-27-2026
Cadet
Washington County
Missouri
United States
MO-21 South approaching MO-47 North to Richwoods. MO-47 South joins MO-21 South towards Potosi.
Taken 03-27-2026
Cadet
Washington County
Missouri
United States
MO-21 South at MO-H and MO-N in De Soto.
Taken 03-27-2026
De Soto
Jefferson County
Missouri
United States
MO-21 South approaching MO-H and MO-N in De Soto.
Taken 03-27-2026
De Soto
Jefferson County
Missouri
United States
MO-21 South at MO-Y in De Soto. Turn right for Richwoods; left for De Soto. Continue south on MO-21 for Potosi.
Taken 03-27-2026
De Soto
Jefferson County
Missouri
United States
MO-21 South at MO-Y in De Soto.
Taken 03-27-2026
De Soto
Jefferson County
Missouri
United States
MO-21 South at MO-110 in Jefferson County
Taken 03-27-2026
De Soto
Jefferson County
Missouri
United States
MO-21 South/MO-B East at MO-21 North interchange to Saint Louis.
Taken 03-27-2026
Central Township
Jefferson County
Missouri
United States
MO-21 South at MO-B. This is the southern end of the MO-21 freeway. Turn left to continue on MO-21 south.
Taken 03-27-2026
Central Township
Jefferson County
Missouri
United States