Post Office Road at La. 73 in Prairieville is closing at 8 a.m. Monday so crews can install new sewer and drainage pipes, parish officials said.
Parish President Tommy Martinez said Post Office Road will be closed to through traffic at the intersection with La. 73 through 5 p.m. Tuesday.
Access to Post Office Road will be available from U.S. 61.
The work is part of a project to widen La. 73.