Maintenance work on U.S. 79 will require alternating lane closures south of Pine Bluff between 7 a.m. and 5:30 p.m. Tuesday, July 18, and Wednesday, July 19, weather permitting.

Traffic will be controlled using flaggers, warning signs and cones, according to the Arkansas State Highway and Transportation Department.

Crews will replace a concrete culvert which equires an alternating lane closure just south of Pine Bluff on U.S. 79.

Drivers should exercise caution when approaching and traveling through all highway work zones. Details: or or Twitter @AHTD.