South Dakota Highway 273
SD 273 highlighted in red | ||||
| Route information | ||||
| Maintained by SDDOT | ||||
| Length | 12.723 mi (20.476 km) | |||
| Existed | 1975–present | |||
| Major junctions | ||||
| South end | I-90 in Kennebec | |||
| North end | SD 1806 in the Lower Brule Indian Reservation | |||
| Location | ||||
| Country | United States | |||
| State | South Dakota | |||
| Counties | Lyman | |||
| Highway system | ||||
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South Dakota Highway 273 (SD 273) is a 12.7-mile-long (20.4 km) north-south state highway in Lyman County, South Dakota. It serves as a connection to SD 1806, linking it with the town of Kennebec and Interstate 90 (I-90).