390th Avenue in Jefferson Township, Spink County, South Dakota

390th Avenue in Spink County is an unclassified road. It runs in a north-south direction and crosses 161st Street, 162nd Street, 163rd Street, 164th Street, 165th Street and 166th Street. It ends in a cul-de-sac and connects Great Bend Township and Jefferson Township. 390th Avenue also exists in Mellette Township, Lodi Township, Crandon Township and Belmont Township.