Mississippi State Route 349 is a north-south highway in Southeastern Marshall County. This runs within the Holly Springs National Forest. It starts at Mississippi State Route 178, at Potts Camp to the Marshall/Benton County. MS St Rt 349 passes through the following town in Marshall County. Potts Camp MS St Rt 349 is not multi-plexed in Marshall County. MS St Rt 349 intersects the following highway in Marshall County. Mississippi State Route 178, at Potts Camp.