State crews will close the Alaskan Way Viaduct on Oct. 18-19. Since the 2001 Nisqually earthquake, bridge engineers and inspectors have kept a close eye on the viaduct by monitoring its condition every three months and conducting full inspections every six months to measure any substantial damage or movement.

Crews will close both directions of the Alaskan Way Viaduct from the Battery Street Tunnel to Spokane Street for the inspection. Crews will close the viaduct from:

- 6 a.m. to 6 p.m. on both Saturday, Oct. 18, and Sunday, Oct. 19. The Battery Street Tunnel will remain closed overnight on Saturday, Oct. 18.