473rd Avenue in Spink Township, South Dakota

473rd Avenue in Union County is an unclassified road. It runs in a north-south direction starting from SD Highway 46 and crosses 298th Street, 299th Street, 300th Street, 301st Street, 302nd Street, 303rd Street, 304th Street, 305th Street, 306th Street, 307th Street and 308th Street. It connects Emmet Township, Brule Township, Spink Township and Prairie Township. 473rd Avenue also exists in Elk Point Township.