UPDATE 1:15 p.m.: PennDOT says the work is complete for the day and traffic should return to normal.
Drivers face delays on part of Interstate 81 in Luzerne County on Tuesday.
According to PennDOT, I-81 northbound will be down to one lane from the Wilkes-Barre exit (170B) and the Avoca/Wilkes-Barre Scranton Airport exit (178) until around 2 p.m.
Crews are setting beams on a bridge across Route 315.
PennDOT officials say major delays are expected.
Keep an eye on the latest traffic information here.