Highway 273 marker

Highway 273

SD 273 highlighted in red
Route information
Maintained by SDDOT
Length12.723 mi[1] (20.476 km)
Existed1975[2]–present
Major junctions
South end I-90 in Kennebec
North end SD 1806 in the Lower Brule Indian Reservation
Location
CountryUnited States
StateSouth Dakota
CountiesLyman
Highway system
  • South Dakota State Trunk Highway System
← SD 271→ US 281
Looking north at SD273 from Interstate 90 at Kennebec

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.

Locationmi[1]kmDestinationsNotes
Kennebec0.000.00 I-90 – Presho, RelianceSouthern terminus; I-90 exit 235; road continues as 315 Avenue
0.250.40 SD 248 / Lewis and Clark TrailFormer US 16
Lower Brule Indian Reservation12.7520.52
 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

Template:Attached KML/South Dakota Highway 273
KML is not from Wikidata
  1. 1 2 "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.
  2. 1 2 "Highway Division Makes Road Numbering Changes". Argus-Leader. Sioux Falls, SD. March 20, 1975. p. 2. Retrieved March 18, 2020 – via Newspapers.com.
  3. ↑ Google (December 16, 2021). "Map of South Dakota Highway 273" (Map). Google Maps. Google. Retrieved December 16, 2021.
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