Major work on repairing Hurricane Harvey damage to the Hwy. 59 southbound bridge over the San Jacinto River will begin March 23, and lane closures start this week while crews prepare the roadways.

The main channel of the San Jacinto River shifted during Hurricane Harvey, changing the depth and alignment of the river and affecting the foundation of the bridge, Texas Department of Transportation officials said. The southbound bridge is being upgraded to restore its carrying capacity, officials said.

Upcoming road closures include:

The Hwy. 59 northbound entrance ramp from FM 1960 will be closed through the duration of the project, beginning 9 p.m. March 13. Drivers can detour northbound on the frontage road to the entrance ramp from Sorters McClellan Road.

Two Hwy. 59 northbound right main lanes are closed nightly from 9 p.m.-5 a.m. March 13-15.

The Hwy. 59 northbound exit ramp to Kingwood Drive is closed from 9 p.m.-5 a.m., March 14-15. The ramp is also closed continuously from 9 p.m. March 16 to 5 a.m. March 19. Drivers can follow a detour to the Northpark Drive exit ramp, U-turn at Northpark Drive and follow the southbound frontage road to Kingwood Drive or Sorters McClellan Road.

Four alternate lanes are closed on the Hwy. 59 northbound mainlanes between FM 1960 and Sorters McClennan Road continuously from 9 p.m. March 16 to 5 a.m. March 19. At least one mainlane will remain open.

The Hwy. 59 northbound exit ramp to Loop 494/McClellan/Hamblen is closed from 9 p.m. March 16 to 5 a.m. March 19.

The project is expected to be completed in about six months, TxDOT officials said.