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SR 99/Alaskan Way Viaduct - Replacement
The existing seismically vulnerable Alaskan Way Viaduct is at the end of its useful life. Staged work will begin in 2007.
 PIN#:  809936Z   Project Page
 DOT Region:  
 Counties:  King
 State Route:  099
 Location:  Downtown Seattle   Locate Project
 Leg Districts:  11, 36, 37, 43
 Program / SubProgram:  Improvement
 Sub-Program:  Mobility
 Sub-Category:  Urban Mobility
 Improvement Type:  
 Mile Posts: 29.2 to 32.44    
  Project Costs:
Phase From - To Prior 15-17 17-19 19-21 21-23 23-2525-27 Future Total
Preliminary Engineering Jul-12 - Dec-18 375,302,00013,316,00025,408,000164,0000000414,190,000
Right of Way Jun-14 - Aug-18 274,426,0003,951,00014,114,00000000292,491,000
Construction Nov-17 - Dec-21 1,625,349,000477,640,000337,453,000143,603,00000002,584,045,000
  Project Totals:  2,275,077,000 494,907,000 376,975,000 143,767,000 0 00 0 3,290,726,000