South Dakota Highway 45

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Highway 45 marker

Highway 45
Route of SD 45 (in red)
Route information
Defined by SDCL §31-4-165
Maintained by SDDOT
Length: 198 mi (319 km)
Existed: 1927 – present
Major junctions
South end: SD 44 / SD 50 in Platte
North end: ND 3 near Ashley
Location
Counties: Charles Mix, Brule, Buffalo, Hand, Faulk, Edmunds, McPherson
Highway system

South Dakota Highways

SD 44 SD 46

South Dakota Highway 45 is a state route that runs north to south across much of central South Dakota. The northern terminus is at the North Dakota border as a continuation of North Dakota Highway 3, and runs south to South Dakota Highway 44 at Platte. It is 198 miles (319 km) in length.

History[edit]

South Dakota 45 was established around 1927. The northern end was at the intersection of South Dakota Highway 10 in Leola, and the southern end was at the intersection of present-day South Dakota Highway 50 and Charles Mix County Road 49.

By 1932, it was extended south along what was part of South Dakota Highway 47 to Wheeler. By 1936, SD 45 was truncated at Kimball (U.S. Highway 16), as U.S. Highway 281 supplanted the SD 45 designation to the south. In the early 1950s, when US 281 was relocated several miles east, SD 45 was extended back south to SD 50.

Around 1970, SD 50 had been realigned to intersect South Dakota Highway 44 west of Platte, and SD 45 was extended south along the old alignment to Platte, where it remains today.

The north end of the route has remained in its current configuration since 1936.

Major intersections[edit]

County Location Mile km Destinations Notes
Charles Mix Platte SD 44 / SD 50 – Winner
Brule   I‑90 east – Mitchell East end of I-90 concurrency
Kimball I‑90 west – Rapid City West end of I-90 concurrency
Buffalo   SD 34 – Wessington Springs
Hand Miller US 14 east – St. Lawrence South end of US 14 concurrency
US 14 west – Pierre North end of US 14 concurrency
  SD 26 east South end of SD 26 concurrency
  SD 26 west North end of SD 26 concurrency
HandFaulk
county line
  US 212 east – Redfield South end of US 212 concurrency
Faulk   US 212 west – Faulkton North end of US 212 concurrency
  SD 20 east – Northville South end of SD 20 concurrency
  SD 20 west – Onaka North end of SD 20 concurrency
Edmunds Ipswich US 12 west – Roscoe West end of US 12 concurrency
  US 12 east – Aberdeen East end of US 12 concurrency
McPherson Leola SD 10 east – Britton East end of SD 10 concurrency
  SD 239 north – Long Lake
  SD 10 west / SD 247 south West end of SD 10 concurrency
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


External links[edit]

Route map: Google / Bing