431st Avenue in Mathews Township, South Dakota

431st Avenue in Kingsbury County is an unpaved unclassified road. It runs in a north-south direction and crosses 212th Street, 213th Street, 214th Street, 216th Street and 218th Street and ends at 219th Street, while the other end is a cul-de-sac. 431st Avenue also exists in De Smet Township.