21st Street Southeast in Wiser Township, North Dakota

21st Street Southeast in Cass County is a single-lane, unpaved track. It runs in an east-west direction starting from 147th Avenue Southeast and crosses 148th Avenue Southeast, 149th Avenue Southeast, 156th Avenue Southeast, 157th Avenue Southeast, 159th Avenue Southeast, 160th Avenue Southeast, 161st Avenue Southeast, 162nd Avenue Southeast, County Road 11, 164th Avenue Southeast and 165th Avenue Southeast. It connects Gardner Township, Wiser Township, Erie Township and Gunkel Township. 21st Street Southeast also exists in Rich Township.