South Dakota Highway 37

Highway 37

Route of SD 37 (in red)

Route information

Maintained by SDDOT

Length

242 mi (389 km)

Existed

1926–present

Major junctions

South end

N-14 at the Nebraska border

US 18 northwest of Tripp
I-90 in Mitchell
US 14 in Huron
US 212 in Doland
US 12 in Groton

North end

ND 1 at the North Dakota border

Location

Country

United States

State

South Dakota

Counties

Highway system

South Dakota State Trunk Highway System

←

SD 36

→

SD 38

South Dakota Highway 37 (SD 37) is a state route that runs across eastern South Dakota. It begins at the Nebraska border northeast of Niobrara, Nebraska, as a continuation of Nebraska Highway 14. It runs to the North Dakota border north of Hecla, where it continues as North Dakota Highway 1. It is 242 miles (389 km) in length.

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Transcription

Route description

History

South Dakota 37 was in place by 1926, and largely has used the same alignment since. The only significant exception was in northeast South Dakota, where SD 37 originally went westward from Groton to Bath, then north via Columbia to Houghton, where it continued to Hecla. This segment was rerouted to the current alignment by 1929.

On the south end, the road ended at the Missouri River at Running Water. A seasonal ferry was in place to carry traffic across the river. A direct connection via bridge did not open until 1998 when the Chief Standing Bear Memorial Bridge was completed.

In the early and mid-1930s, the segment between Huron and Tripp was co-numbered as U.S. Route 281. This concurrency was dropped by 1936, when US 281 was realigned further west.

The segment between Huron and Mitchell was upgraded to a 4-lane expressway, and was largely completed by 2004. A minor rerouting around the west end of Mitchell occurred, resulting in a 2-mile (3.2 km) concurrency with Interstate 90.

Legal definition

The route of SD 37 is defined in South Dakota Codified Laws § 31-4-158.^[1]

Major intersections

County	Location	Destinations	Notes
Bon Homme		SD 52 east – Yankton	Western terminus of SD 52
		SD 50 east – Tyndall	Eastern end of SD 50 concurrency
		SD 50 west – Avon	Western end of SD 50 concurrency
		SD 46 – Wagner
Hutchinson		SD 37A – Tripp
		US 18 – Canton
	Parkston	SD 44 – Platte
Davison		SD 42 – Ethan
	Mitchell	I-90 east / I-90 BL – Sioux Falls	Eastern end of I-90 concurrency, Exit 332; I-90 Bus. is a continuation north of the I-90 interchange
		I-90 west / I-90 BL – Rapid City	Western end of I-90 concurrency, Exit 330; southern end of I-90 Bus. concurrency
		I-90 BL	Northern end of I-90 Bus. concurrency
Sanborn		SD 34 east – Artesian	Eastern end of SD 34 concurrency
		SD 34 west – Woonsocket	Western end of SD 34 concurrency
		SD 224 west – Alpena	Western terminus of SD 224
Beadle	Huron	US 14 – Pierre, DeSmet
Beadle–Spink county line		SD 28 – Hitchcock
Spink		US 212 west – Redfield	Western end of US 212 concurrency
	Doland	US 212 east – Clark	Eastern end of US 212 concurrency
		SD 20 east – Watertown	Southern end of SD 20 concurrency
	Conde	SD 20 west – Brentford	Northern end of SD 20 concurrency
Brown	Groton	US 12 – Aberdeen, Webster
		SD 10 east – Britton	Eastern end of SD 10 concurrency
		SD 10 west – Leola	Western end of SD 10 concurrency
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus

Related route

Highway 37A

Location	Tripp

South Dakota Highway 37A (SD 37A) is a north–south state highway in the U.S. state of South Dakota. SD 37A's southern terminus is at SD 37 in Tripp, and the northern terminus is at US 18 north of Tripp.

The entire route is in Hutchinson County.