South Dakota Highway 204
SD 204 highlighted in red | ||||
| Route information | ||||
| Maintained by SDDOT | ||||
| Length | 2.131 mi (3.430 km) | |||
| Existed | 1975–present | |||
| Major junctions | ||||
| West end | SD 1806 near Fort Pierre | |||
| East end | SD 1804 near Pierre | |||
| Location | ||||
| Country | United States | |||
| State | South Dakota | |||
| Counties | Stanley, Hughes | |||
| Highway system | ||||
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South Dakota Highway 204 (SD 204) is a short 2.131-mile-long (3.430 km) east-west state highway in central South Dakota. It serves as a crossing of the Missouri River, running directly overtop of the Oahe Dam.