Missouri State Route 31 is a north-south highway in Western De Kalb County. It runs from U.S. Rt. 169/Missouri Secondary State Route E, near Union Star, to the De Kalb/Buchanan County Line, near Hemple. MO St Rt 31 does not pass through any towns in De Kalb County. MO St Rt 31 is not multi-plexed in De Kalb County. Missouri State Route 6, near Clarksdale. U.S. Rt. 36, near Hemple. Missouri State Route 110, near Hemple. MO St Rt 31 intersects the following highways in De Kalb County. U.S. Rt. 169, near Union Star. Missouri Secondary State Route E, near Union Star. Missouri State Route 6, near Clarksdale. Missouri Secondary State Route V, near Clarksdale. Missouri Secondary State Route P, near Clarksdale. Missouri Secondary State Route O, at Clarksdale. Missouri Secondary State Route P, near Clarksdale. Missouri State Route 6, near Clarksdale. U.S. Rt. 36, near Hemple. Missouri State Route 110, near Hemple.
A guide marker in De Kalb County. Photo from: Paul Dienhart
