TULSA, Oklahoma - A major road construction project begins next week in downtown Tulsa.

The Oklahoma Department of Transportation is preparing to close lanes on the Inner Dispersal Loop, which surrounds downtown.

“Drivers can expect a lot of traffic congestion,” said Cody Boyd, a spokesperson for ODOT.

On January 2nd, at 6 a.m. westbound lanes of the loop’s south leg will close, and traffic will detour.

Boyd said the project will focus on the south and east portions of the loop and crews will completely re-surface the roadway. Crews will also be working on four bridges surrounding downtown as well.

ODOT will be rehabbing the eastbound I-244 ramp to Highway 75, the Houston Street Bridge, and the 6th and 11th Street Bridges on the loop's east side.

"Obviously this is an area that has a lot of bridges and bridges age and deteriorate with traffic and moisture," said Boyd.

Boyd said those will be done in sections, and later in the project, traffic switches are expected.

He suggests taking I-244, which encompasses the west and north legs of the loop to bypass some of the construction.

He also said side streets may be helpful but could also have some extra traffic. The project will cost $25 million and should be completed by early 2020.