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]

SD 45 was established around 1927. The southern terminus was at the intersection of present-day SD 50 and County Road 49 (CR 49) and the northern terminus was at the intersection of SD 10 in Leola.

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

Around 1970, SD 50 had been realigned to intersect SD 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 mi km Destinations Notes
Charles Mix Platte SD 44 / SD 50 – Winner
Brule I-90 east – Mitchell East end of I-90 concurrency, exit 289.
Kimball I-90 west – Rapid City West end of I-90 concurrency, exit 284.
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

See also[edit]

External links[edit]

Route map: Google

KML is from Wikidata