Pacific Northwest Architecture

Alaskan Way Viaduct

Seattle, Washington 98101
Basic Information
Designed by City of Seattle Engineering Department
Type transportation
Floors: 2
Neighborhood: Downtown Seattle
More Information
  • Developer:
  • Washington State Department of Transportation
  • 2001: This structure was damaged by an earthquake and later determined to be unsafe.
  • 2009: It was decided to replace the viaduct with a tunnel.
  • October, 2011: Demolition of this structure began.