Route 81
Route 81 highlighted in red
Route information
Maintained by MoDOT
Length	40.954 mi[1] (65.909 km)
Major junctions
South end	Route 16 west of Canton
Major intersections	US 136 south of Kahoka
North end	Iowa 81 near Farmington, IA
Location
Country	United States
State	Missouri
Highway system
Missouri State Highway System Interstate US State Supplemental
← Route 80 → Route 82

Route 81 is a highway in northeastern Missouri. Its northern terminus is at the Iowa state line where it continues as Iowa Highway 81. Its southern terminus is at Route 16 west of Canton.

Route 81 starts at the Iowa state line from Iowa Route 81. It continues south into the town of Kahoka and then intersects with US Route 136. As it continues south, there are several sharp turns. It ends outside of the town Canton, near an interchange with US 61 and intersects with Route 16. The route starts in Clark county and ends in Lewis county.

This section is empty. You can help by adding to it. (May 2021)

County	Location	mi[1]	km	Destinations	Notes
Lewis	Canton	0.000	0.000	Route 16 to US 61
	Canton Township	7.306	11.758	Route E
Clark	Jackson Township	12.701	20.440	Route Z
	Jackson–Union township line	21.676	34.884	Route D
	Lincoln Township	24.696	39.744	Route H
		25.197	40.551	Route Y
	Kahoka	26.329	42.372	US 136
		26.683	42.942	US 136 Bus. / Route EE (Main Street)
	Jefferson Township	32.878	52.912	Route NN
		33.138	53.330	Route C
	Grant Township	38.370	61.751	Route CC
		39.903	64.218	Route V
		40.954	65.909	Iowa 81 north	Continuation into Iowa
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

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