South Dakota Highway 258
highway in South Dakota
South Dakota Highway 258 (SD 258) is a 2.552-mile-long (4.107 km) state highway in Aurora County, South Dakota. It runs from Interstate 90 (I-90) to U.S. Route 281 (US 281), and is maintained by the South Dakota Department of Transportation (SDDOT). The route is not a part of the National Highway System.
Route description
SD 258 begins at a diamond interchange with exit 308 of I-90 and travels north. The route enters the city of Plankinton almost immediately and continues north. The highway turns east onto Davenport Street in Plankinton and a curve takes the highway to the northeast. After leaving Plankinton, the road curves back to the east and continues through open plains for about one mile (1.6 km) before reaching its eastern terminus at an intersection with US 281. The roadway continues east of this intersection as County Road 34.
SD 258 is maintained by SDDOT. In 2012, the traffic on the road was measured in average annual daily traffic. SD 258 was measured at 900 vehicles.
“South Dakota Highway 258” enters the record as highway in South Dakota. Crown Archives preserves that source wording while asking what South, Dakota and Highway can confirm, complicate or overturn.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 2, 2026. The linked authority identifier is Q6984822. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2012.
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This entry incorporates text from “South Dakota Highway 258” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.