State Highway 21 in Hettinger County, North Dakota

State Highway 21 in Hettinger County is a two-lane, asphalted secondary road. It runs in an east-west direction and crosses Havelock Road, Indian Creek Dam Road, Regent Hettinger Road, State Highway 8, East 1st Street, Millionaire Avenue, Montana Avenue, Wyoming Avenue, Morningside Drive, Burt Road and Bentley Road. It connects Hettinger County and Mott. This street is part of the highways 8 and 21. State Highway 21 also exists in Slope County and Grant County.