The state’s viaduct replacement projects are estimated to cost $3.35 billion. Funding comes from state, federal and local sources, as well as the Port of Seattle and tolls.
June 2020 update: The program received an additional $25 million in the 2020 Supplemental Budget with which to deliver the remaining program work.
|State projects||Project status||Budget ($M)|
|SR 99 Tunnel Project (includes design-build project, North and South Access contracts)||Construction||$2,145.6|
|SR 99 South Holgate Street to South King Street Project (includes Stages 1, 2 and 3)||Complete||$347.7|
|Central Waterfront Viaduct Removal and New Alaskan Way||Construction||$366.2|
|Central Waterfront Construction Mitigation (parking and mitigation)||Complete||$24.5|
|Other Moving Forward Projects||
|Prior Environmental Impact Statements, Right of Way and Design Costs||$163.7|
|2005 Gas Tax (Partnership Funding)||$1,695.4|
|2003 Gas Tax (Nickel Funding)||$326.4|
|Port of Seattle||$267.7|
|Total Source of Funds||$3,350.1|