Missouri Secondary State Route J is a north-south highway in Eastern Adair County. It runs from Brashear to near Willmathsville. MO Sec St Rt J passes through the following town in Adair County. Brashear
MO Sec St Rt J is not multi-plexed in Adair County. MO Sec St Rt J intersects the following highways in Adair County. Missouri State Route 6, at Brashear.