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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 17-19 19-21 21-23 23-25 25-2727-29 Future Total
Preliminary Engineering Jul-12 - Dec-18 388,618,00022,646,0004,585,000267,0000000416,116,000
Right of Way Jun-14 - Aug-18 278,377,00010,319,0003,576,00000000292,272,000
Construction Nov-17 - Dec-21 2,102,989,000222,050,000263,564,00053,797,00000002,642,400,000
  Project Totals:  2,769,984,000 255,015,000 271,725,000 54,064,000 0 00 0 3,350,788,000