400th Avenue in Henry Township, Brown County, South Dakota

400th Avenue in Brown County is a gravel local road. It runs in a north-south direction starting from 127th Street and crosses 128th Street, 129th Street, 130th Street, James Road, 133rd Street, 134th Street, 135th Street, 136th Street, 137th Street, 138th Street and 139th Street. It connects Putney Township, Cambria Township, Garden Prairie Township, West Hanson Township and Henry Township. This street is part of the highway "18". 400th Avenue also exists in Columbia Township, Liberty Township and Shelby Township.