Westbound vehicles passing through downtown New Orleans on Interstate 10 this weekend will have to get off at the Canal Street/Superdome exit and get back on at Tulane Avenue as crews repair a portion of the highway near Julia Street.

The closure, which will run from 10 p.m. Friday to 6 a.m. Monday, will force motorists who pass up Exit 235B to exit at the U.S. 90 West exit on Claiborne Avenue or take U.S. 90 Business West to the West Bank, the Louisiana Department of Transportation said.

The $1.3 million project also will close the entrance ramps to westbound I-10 at Poydras Street and North Claiborne Avenue (La. 39).

Drivers who would have used the North Claiborne ramp should continue on the ground level to Tulane Avenue.

To avoid delays, the state recommends that drivers coming in from the east exit I-10 West at Interstate 610 if they want to reach destinations beyond the closure.

The closure will not affect motorists coming from the West Bank over the Crescent City Connection and getting on the Pontchartrain Expressway.

Even emergency and permit vehicles will not have access to the closed segment, the state said.

The repairs, which will be done by Coastal Bridge, will replace one girder and repair damaged steel and connection plates on the section that passes over Julia Street. Work will continue after the interstate’s westbound lanes are reopened Monday morning and will be completed in June.

The construction may be rescheduled if there is bad weather.

Follow Chad Calder on Twitter @Chad_Calder