North Dakota Highway 1804

North Dakota Highway 1804
Lewis and Clark Trail
ND 1804 highlighted in red
Route information
Maintained by NDDOT
Length	342.805 mi[1] (551.691 km)
Major junctions
South end	SD 1804 near Pollock at South Dakota border
Major intersections	I-94 in Bismarck US 83 from Bismarck to east of Garrison ND 200 in Underwood US 85B west of Williston US 2 in Williston US 85 in Williston
North end	S-327 at Fort Union Trading Post at Montana border
Location
Country	United States
State	North Dakota
Counties	Emmons, Burleigh, McLean, Mountrail, Williams
Highway system
North Dakota State Highway System Interstate US State
← ND 810 → ND 1806

North Dakota Highway 1804 (ND 1804) is a state highway in the U.S. state of North Dakota. ND 1804 and ND 1806 were named to reflect the years of Lewis and Clark's travels through the area, and together constitute the portion of the Lewis and Clark Trail that runs through North Dakota along the northeast and southwest sides of Lake Sakakawea and the Missouri River, respectively.^[1]