251st Street in Smith Township, South Dakota

251st Street in Brule County is a secondary road. It runs in an east-west direction and crosses SD Highway 50, 354th Avenue, 356th Avenue, 358th Avenue and 359th Avenue. It ends in a cul-de-sac and connects Kimball Township, Red Lake Township and Smith Township. 251st Street also exists in Plainfield Township and Brule Township.