Missouri Route 6

"MO 6" redirects here. The term may also refer to Missouri's 6th congressional district.
Route 6
Route information
Maintained by MoDOT
Length211 mi (340 km)
Existed1922–present
Major junctions
West end I-29 BL / US 169 in St. Joseph
Major intersections
East end
 US 24 / US 61 south of Taylor
Location
CountryUnited States
StateMissouri
Highway system
← Route 5→ Route 7

Route 6 is a 211-mile-long (340 km) state highway in the northern part of the U.S. state of Missouri. It travels from I-29 Bus./US 169 in St. Joseph to US 24/US 61 about 6 miles (9.7 km) west of Quincy, Illinois. The highway serves as a major east-west corridor in northern Missouri Route 6, south of US 136 and north of US 36. If only a few miles longer in each direction, would be the only state highway to cross Missouri west to east. It is one of the original 1922 highways in Missouri.[1]

Route description

Beginning at I-29 Bus. and US 169 in St. Joseph, Route 6 travels eastward through Buchanan County. Shortly after its starting point, the highway intersects I-29 at exit 47 before continuing east into DeKalb County. In DeKalb County, Route 6 overlaps with Route 31 for a short distance before passing through Maysville, where it intersects Route 33.

Continuing eastward, Route 6 enters Daviess County, where it crosses I-35 at exit 64 near Winston. The highway then runs concurrent with US 69 for a brief stretch before reaching Gallatin, where it intersects Route 13. East of Gallatin, Route 6 passes through rural areas before entering Grundy County, where it intersects US 65 in Trenton.

Leaving Trenton, Route 6 continues eastward into Sullivan County, where it intersects Route 5 in Milan. The highway then enters Adair County, passing through Novinger before reaching Kirksville. In Kirksville, Route 6 intersects US 63 and Route 11, forming a brief concurrency before separating again east of the city.

East of Kirksville, Route 6 enters Knox County, where it intersects Route 15 near Edina. The highway continues eastward through Lewis County, passing through La Belle and Lewistown before reaching Marion County. In Marion County, Route 6 intersects US 24 and US 61 near Taylor, marking its eastern terminus approximately six miles west of Quincy, Illinois.[2]

History

Route 6 was one of the original Missouri state highways formed in 1922, and construction continues into the mid-1920s.[3] Originally it was a gravel or earthen surface with the most developed portions being around Trenton and Milan.[4] By 1955, the highway was fully paved across the state.[5]

Major intersections

CountyLocationmi[6]kmDestinationsNotes
BuchananSt. Joseph0.00.0 I-29 BL / US 169 (Belt Highway / Frederick Boulevard)
0.50.80 I-29 / US 71 – Council Bluffs, Kansas CityI-29 exit 47
DeKalb​13.020.9

 Route 31 south to US 36		west end of Route 31 overlap
Oak22.936.9
 Route 31 north – King City		east end of Route 31 overlap
Maysville32.051.5

 Route 33 south / Route A north
Daviess​43.770.3 I-35 – Bethany, Des Moines, Cameron, Kansas CityI-35 exit 64
​45.773.5
 US 69 north – Pattonsburg		west end of US 69 overlap
​46.875.3
 US 69 south – Winston		east end of US 69 overlap
Gallatin55.389.0
 Route 13 south – Hamilton		west end of Route 13 overlap
​56.991.6
 Route 13 north – Jameson		east end of Route 13 overlap
​66.0106.2 Route 190 – Edinburg, Jamesport
Grundy​75.0120.7

 Route 146 west / Route W south – Edinburg, Hickory, Crowder State Park
Trenton78.9127.0

 US 65 Bus. north (Oklahoma Avenue)		west end of US 65 Bus. overlap
79.0127.1 US 65 – Princeton, Chillicotheinterchange; east end of US 65 Bus. overlap
​92.4148.7
 Route 139 north – Osgood		west end of Route 139 overlap
SullivanHumphreys95.2153.2
 Route 139 south – Meadville		east end of Route 139 overlap
​104.4168.0
 Route 5 south – Linneus		west end of Route 5 overlap
​107.6173.2

 Route 5 Bus. north – Milan
Milan110.3177.5

 Route 5 Bus. south
110.5177.8
 Route 5 north – Unionville		east end of Route 5 overlap
Green City119.7192.6 Route 129 – Green City, Winigan
Adair​127.7205.5

 Route 149 south to Route 11		west end of Route 149 overlap
Novinger133.7215.2
 Route 149 north – Connelsville		east end of Route 149 overlap
​137.5221.3
 Route 157 south – Thousand Hills State Park
Kirksville140.8226.6

 US 63 Bus. north – Lancaster		west end of US 63 Bus. overlap
142.4229.2
 US 63 Bus. – Macon		east end of US 63 Bus. overlap
143.4230.8

 US 63 north / Route 11 north – Lancaster, Adair		west end of US 63/MO 11 overlap
145.4234.0

 US 63 south / Route 11 south – Macon, Kirksville		east end of US 63/MO 11 overlap
Knox​166.5268.0
 Route 15 south – Plevna		west end of Route 15 overlap
Edina167.4269.4
 Route 15 north – Memphis		east end of Route 15 overlap
Lewis​188.5303.4
 Route 16 east – Monticello
Ewing195.5314.6
 Route 156 west – Newark, Henry Sever Lake Conservation Area
​Outer Road - Taylor
Marion​211340
 US 24 / US 61 (Avenue of the Saints) – Canton, Quincy, IL, Palmyra, Hannibal		interchange
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. ^ Missouri State Highway Commission (1927). Map of Missouri Showing State Road System, Route Numbers, Road Conditions and Points of Interest (Map). Jefferson City: Missouri State Highway Commission.
  2. ^ Missouri Department of Transportation (2021). Official Highway Map (Map) (2021–2022 ed.). Jefferson City: Missouri Department of Transportation.
  3. ^ "Missouri's State Road System, 1924". Retrieved June 13, 2025 – via The State Historical Society of Missouri.
  4. ^ "Best Roads of Missouri, 1926". Clason Map Co. Retrieved June 13, 2025 – via David Rumsey Map Collection.
  5. ^ "Missouri Highway Maps Archive 1955 - 1978". Missouri Department of Transportation. Retrieved June 14, 2025.
  6. ^ MoDOT HP MAPS
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