Mississippi State Route 316 is a east-west highway in Northwestern Quitman County. This runs from U.S. Rt. 278/Mississippi State Route 6 to the Quitman/Coahoma County Line. MS St Rt 316 intersects the following highways in Quitman County. Belen MS St Rt 316 is not multi-plexed in Quitman County. U.S. Rt. 278, near Belen. Mississippi State Route 6, near Belen.