All lanes of northbound I-405 between I-5 and SR 181/West Valley Highway will close from 9 p.m. this Saturday, Aug. 1 to 6 a.m. Sunday, Aug. 2, the Washington State Department of Transportation (WSDOT) announced.

Signed detours will direct people using both directions of the I-5 ramp to northbound I-405 to southbound SR 181/West Valley Highway (exit 1).

People can use Southwest Grady Way and SR 167 to reconnect with I-405.

WSDOT bridge maintenance crews will perform expansion joint repairs during the lane closure.

Real-time travel information is available via the WSDOT mobile app, the WSDOT travel map or by signing up for WSDOT’s email updates.