![]() Route of SD 89 (in red) | ||||
Route information | ||||
Maintained by SDDOT | ||||
Length | 34.5 mi[1][2] (55.5 km) | |||
Existed | 1950–present | |||
Major junctions | ||||
South end | ![]() | |||
North end | ![]() | |||
Location | ||||
Country | United States | |||
State | South Dakota | |||
Counties | ||||
Highway system | ||||
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South Dakota Highway 89 (SD 89) is a 34.5-mile (55.5 km) state highway in Fall River and Custer counties in South Dakota, United States, that travels from U.S. Route 18 (US 18) near Minnekahta to SD 87 in Custer State Park.[citation needed] SD 89 is concurrent with US 385 from Pringle to Custer. The portion of the highway from Custer to SD 87 is part of the Peter Norbeck Scenic Byway.