South Dakota Highway 50

Last updated

SD 50.svg
Highway 50
SD 50 Map.png
Route of SD 50 (in red)
Route information
Maintained by SDDOT
Length212.421 mi [1]  (341.858 km)
Existed1926–present
Tourist
routes
Lewis and Clark Trail.svg Lewis and Clark Trail
MUTCD M10-1.svg Native American Scenic Byway
Major junctions
West endSD 34.svg SD 34 east of Fort Thompson
Major intersections
East endCircle sign 3.svg Iowa 3 near Richland
Location
Country United States
State South Dakota
Counties Buffalo, Brule, Charles Mix, Bon Homme, Yankton, Clay, Union
Highway system
  • South Dakota State Trunk Highway System
SD 49.svg SD 49 SD 52.svg SD 52

South Dakota Highway 50 (SD 50) is a state route serving south central and southeast South Dakota. The current alignment begins at the junction of South Dakota Highway 34 at "Lee's Corner" east of Fort Thompson, and ends at the Iowa border near Richland, where it continues as Iowa Highway 3. It is about 212 miles (341 km) in length.

Contents

History

SD 50 was designated on the route known as the Sunshine Highway. When it was formed in the 1920s, it traveled the entire length of southern South Dakota, from the Wyoming state line west of Edgemont, to the Iowa state line at Sioux City.

When U.S. Route 18 (US 18) was designated in the late 1920s, it replaced the SD 50 designation from the Wyoming state line to Ravinia (east of Lake Andes). SD 50 continued in southeast South Dakota.

Around 1940, SD 50 was extended northwest of its former terminus. It assumed a portion of alignment of SD 45 through Geddes, and SD 47 through Academy; the northern terminus became US 16 near Pukwana.

Around 1950, the eastern terminus was rerouted. At US 77 (with which it had previously shared a concurrency to Sioux City), SD 50 was extended east to the Iowa state line.

In 1975, the northwestern terminus was again extended. It was routed west to Chamberlain, then assumed a segment of SD 47 (which had been realigned west) to its new northern terminus at SD 34 east of Fort Thompson. [2]

Major intersections

CountyLocationmi [1] kmDestinationsNotes
Buffalo Crow Creek 0.0000.000SD 34.svgLewis and Clark Trail.svg SD 34  / Lewis and Clark Trail  / Native American Scenic BywayWestern terminus
Brule Chamberlain 20.14532.420West plate green.svg
Business Loop 90.svg
I-90 BL west
Western end of BL I-90 concurrency
23.331–
23.450
37.548–
37.739
West plate blue.svg
I-90.svg
Begin plate green.svg
Business Loop 90.svg
I-90 west / I-90 BL begins / Native American Scenic Byway begins
Eastern terminus of BL I-90, western end of I-90 concurrency, exit 265.
Red Lake Township 29.642–
30.237
47.704–
48.662
East plate blue.svg
I-90.svg
I-90 east
Eastern end of I-90 concurrency, exit 272.
Charles Mix Castalia 61.98699.757West plate South Dakota.svg
SD 44.svg
SD 44 west
Western end of SD 44 concurrency
64.074103.117South plate South Dakota.svg
SD 1804.svg
SD 1804 south
Platte 72.070115.985North plate South Dakota.svg
SD 45.svg
SD 45 north
Southern terminus of SD 45
DarlingtonClark
township line
78.999127.137East plate South Dakota.svg
SD 44.svg
SD 44 east
Eastern end of SD 44 concurrency
Jackson Township 93.827151.000South plate South Dakota.svg
SD 1804.svg
SD 1804 south
Lake Andes 102.714165.302West plate.svg
US 18.svg
South plate.svg
US 281.svg
Lewis and Clark Trail.svg US 18 west / US 281 south / Lewis and Clark Trail
Western end of US 18/US 281 concurrency
Plain CenterBryan
township line
112.611181.230East plate.svg
US 18.svg
North plate.svg
US 281.svg
US 18 east / US 281 north
Eastern end of US 18/US 281 concurrency
Wagner 117.904189.748West plate South Dakota.svg
SD 46.svg
Lewis and Clark Trail.svg SD 46 west / Lewis and Clark Trail
Western end of SD 46 concurrency
Lone TreeChoteau Creek
township line
126.743203.973East plate South Dakota.svg
SD 46.svg
SD 46 east
Eastern end of SD 46 concurrency
Bon Homme Northwest Bon Homme 137.056220.570North plate South Dakota.svg
SD 37.svg
SD 37 north
Western end of SD 37 concurrency
Southwest Bon Homme 141.175227.199South plate South Dakota.svg
SD 37.svg
Lewis and Clark Trail.svg SD 37 south / Lewis and Clark Trail
Eastern end of SD 37 concurrency
Southeast Bon Homme 150.725242.568North plate South Dakota.svg
SD 25.svg
SD 25 north
Southern terminus of SD 25
156.817252.372West plate South Dakota.svg
SD 52.svg
Lewis and Clark Trail.svg SD 52 west / Lewis and Clark Trail
Western end of SD 52 concurrency
Yankton West Yankton 161.701260.233East plate South Dakota.svg
SD 52.svg
Lewis and Clark Trail.svgBegin plate South Dakota.svg
Truck plate South Dakota.svg
SD 52.svg
SD 52 east / Lewis and Clark Trail  / SD 52 Truck begins
Eastern end of SD 52 concurrency
164.738265.120South plate South Dakota.svg
SD 153.svg
SD 153 south – Gavin's Point Dam, Utica
Northern terminus of SD 153
165.322266.060East plate South Dakota.svg
SD 314.svg
MUTCD D9-2.svg SD 314 east
Western terminus of SD 314
Yankton 169.768273.215North plate.svg
US 81.svg
US 81 north Freeman
Northern end of US 81 concurrency
172.435277.507South plate.svg
US 81.svg
West plate South Dakota.svg
SD 52.svg
Lewis and Clark Trail.svgEnd plate South Dakota.svg
Truck plate South Dakota.svg
SD 52.svg
US 81 south / SD 52 west / Lewis and Clark Trail  / SD 52 Truck ends Norfolk, NE
Eastern terminus of SD 52, southern end of US 81 concurrency
Clay Vermillion Township 194.864313.603East plate South Dakota.svg
Business plate South Dakota.svg
SD 50.svg
SD 50 Bus. east – Vermillion Business District, Newcastle, NE
Western terminus of SD 50 Bus.
Vermillion 196.882316.851SD 19.svg SD 19  Vermillion, Newcastle, NE, Centerville Vermillion only signed eastbound; Newcastle, NE only signed westbound
Fairview Township 197.238317.424West plate South Dakota.svg
Business plate South Dakota.svg
SD 50.svg
MUTCD D9-2.svg SD 50 Bus. west
Eastern terminus of SD 50 Bus.
Union Brule Township 202.894–
203.069
326.526–
326.808
I-29.svg I-29  Elk Point, Beresford I-29 Exit 26.
209.632337.370South plate South Dakota.svg
SD 11.svg
SD 11 south Elk Point
Northern terminus of southern segment of SD 11
Plymouth Richland Township 212.421341.858East plate.svg
Circle sign 3.svg
Iowa 3 east
Continuation into Iowa
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. 1 2 "State Highway Log: Mitchell Region" (PDF). South Dakota Department of Transportation. January 2012. Retrieved December 23, 2013.
  2. "Highway Division Makes Road Numbering Changes". The Sioux Falls Argus-Leader. March 20, 1975. p. 2 (32). Retrieved March 18, 2020 via Newspapers.com. Open Access logo PLoS transparent.svg
Template:Attached KML/South Dakota Highway 50
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