South Dakota Highway 273
 Highway 273 | ||||
|---|---|---|---|---|
 SD 273 highlighted in red | ||||
| Route information | ||||
| Maintained by SDDOT | ||||
| Length | 12.723 mi[1] (20.476 km) | |||
| Existed | 1975[2]–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).
Route description
SD 273 begins at an interchange with I-90 (exit 235); the road continues south as 315 Avenue. It heads north to enter the town of Kennebec, passing a couple of businesses as it almost immediately has an intersection with SD 248 (former US Highway 16). The highway crosses over a creek before passing along the western edge of downtown. SD 273 passes through some neighborhoods before leaving Kennebec and traveling north through flat farmland for the next several miles. The highway enters the Lower Brule Indian Reservation and comes to an end at Iron Nation Road, which consists of the southern terminus of SD 1806 and the western terminus of Bureau of Indian Affairs Highway 10 (Medicine Bull Memorial Highway). BIA 10 leads eastward towards the town of Lower Brule.
The entire length of South Dakota Highway 273 is a rural, two-lane, state highway, located entirely in Lyman County.[3]
History
SD 273 came about in 1975, when South Dakota renumbered many of its highways. Previously, this highway had been unnumbered.[2]
Major junctions
The entire route is in Lyman County.
| Location | mi[1] | km | Destinations | Notes | |
|---|---|---|---|---|---|
| Kennebec | 0.00 | 0.00 | I-90 – Presho, Reliance | Southern terminus; I-90 exit 235; road continues as 315 Avenue | |
| 0.25 | 0.40 |   SD 248 / Lewis and Clark Trail | Former US 16 | ||
| Lower Brule Indian Reservation | 12.75 | 20.52 |  SD 1806 north (Iron Nation Road) / Lewis and Clark Trail | Northern terminus of SD 273; southern terminus of SD 1806; road continues unpaved as 315 Avenue | |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
References
- ^ a b "State Highway Log: Pierre Region" (PDF). South Dakota Department of Transportation. January 2019. p. 114. Archived from the original (PDF) on September 2, 2019. Retrieved January 18, 2022.
- ^ a b "Highway Division Makes Road Numbering Changes". Argus-Leader. Sioux Falls, SD. March 20, 1975. p. 2. Retrieved March 18, 2020 – via Newspapers.com.
- ^ "Map of South Dakota Highway 273" (Map). Google Maps. Retrieved December 16, 2021.