Missouri Route 139

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Route 139
MO 139 highlighted in red
Route information
Maintained by MoDOT
Length	108.565 mi[1] (174.718 km)
Major junctions
South end	US 24 east of Carrollton
Major intersections	US 36 / Route 110 (CKC) from Laclede to Meadville US 136 near Lucerne
North end	CR S40 at the Iowa state line
Location
Country	United States
State	Missouri
Highway system
Missouri State Highway System Interstate US State Supplemental
← Route 138 → Route 141

Route 139 is a highway in northern and central Missouri. Its northern terminus is at the Iowa state line where it continues as Wayne County Route S40; its southern terminus is at U.S. Route 24 east of Carrollton.