US 12 over I-5 will close nightly from 7:30 p.m. Monday, Aug. 10, to 6 a.m. Thursday, Aug. 20, for bridge repairs, according to WSDOT. The closure affects a single lane at milepost 66.5, with a signed detour using northbound I-5 to Exit 71 for SR 508, then southbound back to US 12.
Drivers should expect delays and follow flagger directions. WSDOT advises slowing down and staying focused in the work zone. The detour is in place for the duration of the closure, which ends at 6 a.m. on Aug. 20.