VDOT is alerting drivers to some upcoming nighttime lane closures on Interstate 81 in Roanoke County.

The lane closures will alternate between the north and southbound lanes of I-81 at mile marker 141 starting Sunday, March 2.

They’ll be in place Sunday through Thursday from 10 p.m. each night until 6 a.m. the following morning.

The lane closures will be in place as crews prepare to make repairs to the Route 419 bridge over I-81 in Roanoke County.

Drivers should watch for signs and use caution in the work zone.

Work is expected to wrap up in late March, weather permitting.