401st Avenue in Henry Township, Brown County, South Dakota

401st Avenue in Brown County is a gravel unclassified road. It runs in a north-south direction and crosses James Road, 133rd Street, 134th Street, 135th Street, 136th Street, 137th Street, 138th Street, 139th Street, 140th Street, 141st Street, 142nd Street and 144th Street. It ends in a cul-de-sac and connects Garden Prairie Township, Henry Township and West Hanson Township. 401st Avenue also exists in Putney Township, Columbia Township, Liberty Township, Lansing Township and Shelby Township.