North Dakota Highway 21

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North Dakota Highway 21 marker

North Dakota Highway 21
Route information
Maintained by NDDOT
Length 123.00 mi[1] (197.95 km)
Existed unknown – present
Major junctions
East end ND 6 north of Breien
  ND 6 north of Breien
ND 31 at the Morton County/Grant County border
ND 49 in Grant County
ND 8 in Hettinger County
ND 67 in Slope County
US 85 in Slope County
West end US 85 in Slope County
Counties Morton, Grant, Hettinger, Slope
Highway system
  • North Dakota State Highways
ND 20 ND 22

North Dakota Highway 21 is an east-west highway in North Dakota. It runs from North Dakota Highway 6 about 5 miles (8.0 km) north of Breien to U.S. Route 85 about 5 miles (8.0 km) ENE of Amidon. The highway is known for the large number of abandonments located along it.


The current ND-24 segment between ND-6 and the current ND-24/ND-1806 junction was originally part of ND-21. This segment was renumbered between 1950 and 1963.

Major intersections[edit]

County Location mi km Destinations Notes
Slope 0.0 0.0 US 85 Western terminus of ND 21
ND 67 south Northern terminus of ND 67
Hettinger New England ND 22 north Northern end of ND 22 concurrency
ND 22 south Southern end of ND 22 concurrency
ND 8 south Western end of ND 8 concurrency
Mott ND 8 north Eastern end of ND 8 concurrency
Grant New Leipzig ND 49 south Western end of ND 49 concurrency
Elgin ND 49 north Eastern end of ND 49 concurrency
county line
ND 31 south Northern terminus of ND 31
Morton ND 6 Eastern terminus of ND 21
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ Mileage retrieved from North Dakota Highways 1 to 30 unless otherwise noted.

External links[edit]

Route map: Google

KML is from Wikidata