399th Avenue in Theresa Township, South Dakota

399th Avenue in Beadle County is an unpaved unclassified road. It runs in a north-south direction starting from 196th Street and crosses 198th Street, 201st Street, 202nd Street, 203rd Street, 204th Street and 27th Street Northwest. It ends in a cul-de-sac and connects Fairfield Township and Theresa Township. 399th Avenue also exists in Pleasant View Township.