The northbound span of the Interstate 5 Bridge will experience lane closures this weekend.
The left and middle lanes will be closed for deck patching and paving from 10 p.m. Friday to 7 a.m. Saturday.
All lanes of the northbound span will be closed for deck patching and drawbridge maintenance from 11 p.m. Saturday to 7 a.m. Sunday.
The northbound on-ramp from Jantzen Beach in Oregon will also be closed.