MS 29 merges onto Parkway Drive to pass by the Flint Creek Water Park before leaving the Wiggins city limits and traveling northeast through a mix of farmland and woodlands for a few miles to cross into Perry County.

MS 29 travels through farmland for several miles before entering the Black Creek Wilderness portion of De Soto National Forest, where it crosses Black Creek and winds its way through remote woodlands for several miles, exiting only briefly to pass through the community of Janice.

The highway finally exits the forest as it passes through the town of New Augusta, where it has an intersection with US 98, before crossing the Leaf River.

The highway heads north through neighborhoods before turning left onto Holly Street to pass along the northern edge of downtown, as well as cross a railroad track.

The travel northwest through a business district for several blocks to have an interchange with I-59 (Exit 88) before MS 588 splits off and heads west.