South Dakota Highway 89
Route of SD 89 (in red)
|Maintained by SDDOT|
|Length:||34.5 mi (55.5 km)|
|Existed:||1950 – present|
|South end:||US 18 near Minnekahta|
| US 385 in Pringle
US 16A in Custer
|North end:||SD 87 in Custer State Park|
South Dakota Highway 89 (SD 89) is a state highway in southwest South Dakota. The highway is 40 miles (64 km) long and runs from U.S. Route 18 near Minnekahta to South Dakota Highway 87 in Custer State Park. SD 89 is co-signed with U.S. Route 385 from Pringle to Custer. The portion of the highway from Custer to SD 87 is part of the Peter Norbeck Scenic Byway.
SD 89 was established in 1950 from Spearfish to Minnekahta. The section from Spearfish to SD 87 was changed to U.S. Route 14 Alternate and U.S. Forest Service roads. The section of SD 89 from Custer to Sylvan Lake was once part of an alternate route of U.S. Route 85.
||Pringle||15.6||25.1||US 385 south||South end of US 385 concurrency|
|Custer||27.2||43.8||US 16 west||South end of US 16 concurrency|
|27.7||44.6|| US 16 east / US 385 north
US 16A begins
|North end of US 16 and US 385 concurrencies, south end of US 16A concurrency|
|28.4||45.7||US 16A north||North end of US 16A concurrency|
|Custer State Park||34.5||55.5||SD 87|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi
- South Dakota Department of Transportation (2010). General Highway Map (Map). Fall River County. http://www.sddot.com/pe/data/docs/countymapspdf/friv.pdf. Retrieved December 19, 2011.
- South Dakota Department of Transportation (2010). General Highway Map (Map). Custer County. http://www.sddot.com/pe/data/docs/countymapspdf/cust.pdf. Retrieved December 19, 2011.
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