From WSDOT’s website, updated June 5, 12 p.m.:
WSDOT: I-5 Seattle Bridge Repair
- Friday, June 6 – Monday, June 9 – Northbound I-5 will be reduced to two lanes of traffic through the Spokane Street interchange from 9:30 p.m. Friday to 5 a.m. Monday.
WSDOT: SR 99 Tunnel Project
- Friday, June 6 – Monday, June 9 – All lanes of southbound SR 99 will be closed between Denny Way and South Spokane Street from 10 p.m. Friday to 5 a.m. Monday. The right lane of southbound SR 99 between South King and South Atlantic streets and the southbound SR 99 off-ramp will close at 7 p.m. Friday.
- Saturday, June 7 – Sunday, June 8 – The two northbound lanes of the I-5 Ship Canal Bridge will be closed from 3:30 a.m. to 11 a.m. each day.
- Friday, June 6 – Monday, June 9 – Both directions of SR 520 will be closed between Montlake Boulevard Northeast and I-405 from 11 p.m. Friday to 5 a.m. Monday.
Also, please see the link to WSDOT’s map showing closures this weekend: