Motorists were advised to use alternative local roads.
Soldiers from the Burapha Task Force in Sa Kaeo were ordered to help relief workers support local residents affected by floods.
Task Force Capt Apinan Songkhramchai and Pol Lt Col Benjaphol Rodsawas, deputy chief of the Sa Kaeo immigration office, warned flooding in Aranyaprathet could damage border trade at Khlong Luek, opposite Poipet in Cambodia, reports said.