29th Street Southeast in Ayr Township, North Dakota

29th Street Southeast in Cass County is a single-lane, unpaved service road (private). It runs in an east-west direction and crosses 138th Avenue Southeast, 138 1/2 Avenue Southeast, State Highway 38, 140th Avenue Southeast, 141st Avenue Southeast, 143rd Avenue Southeast, 144th Avenue Southeast, 145th Avenue Southeast, 146th Avenue Southeast, 147th Avenue Southeast, County Road 5 and 149th Avenue Southeast. It connects Cornell Township, Empire Township, Ayr Township, Berlin Township, Rush River Township and Amenia Township. 29th Street Southeast also exists in Harwood Township.