By CBS13 Staff

SAN JOAQUIN COUNTY (CBS13) — Drivers are being warned to plan ahead for a full closure of Highway 4 in the San Joaquin Delta coming in the middle of September.

Caltrans says, starting the night of Sept. 17, Highway 4 just west of the Middle River Bridge will be fully closed for 55-hours.

READ MORE: McClatchy Seniors Create Wide Open Walls Mural On Campus

It’s all part of a culvert rehabilitation project that aims to upgrade and repair culverts and the drainage systems along the highway. Mainly, Caltrans says workers will be focusing on replacing an old 36-inch corrugated metal pipe with a new 42-inch reinforced concrete one.

Drivers will have to use a detour that weekend. Caltrans will have the following detours will be set up:

READ MORE: University Of Silicon Andhra Campus Proposed In San Joaquin County

Westbound: Detour begins at the Tracy Boulevard intersection; south on Tracy Blvd; west on I-205; north on Mountain House Parkway; northwest on Byron Road to SR-4.

Eastbound: Detour begins at the Byron Road intersection; southeast on Byron Road; south on Mountain House Parkway; east on I-205; north on Tracy Blvd to SR-4.

Caltrans says drivers should expect delays of up to 30-45 minutes.

MORE NEWS: What Will Sacramento's New Homeless Shelter Look Like That's Set To Open This Week?

The closure is set to start at 10 p.m. on Sept. 17 and is slate to last until 5 a.m. Sept. 20.