The Iowa Department of Transportation reports a bridge beam replacement operation on Interstate 29, 2 miles south of Salix, in Woodbury County, will require closures of southbound I-29 between 7 p.m. and 10 p.m. tonight, Wednesday, Oct. 25, weather permitting.

Traffic will be stopped for 20-minute intervals. Motorists approaching this area should drive with caution and be prepared to stop for traffic backups beyond the limits of the work zone.