Budget
Budget
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 $25 million in the 2020 Supplemental Budget with which to deliver the remaining program work.
More Information
| State projects | Project status | Budget ($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 |
Complete
|
$171.3 |
| Program Management | $131.0 | |
| Prior Environmental Impact Statements, Right of Way and Design Costs | $163.7 | |
| Total budget | $3,350.1 |
| State Funding | |
| 2005 Gas Tax (Partnership Funding) | $1,695.4 |
| 2003 Gas Tax (Nickel Funding) | $326.4 |
| Other State | $4.8 |
| Federal | $787.2 |
| Local | $68.6 |
| Toll | $200.0 |
| Port of Seattle | $267.7 |
| Total Source of Funds | $3,350.1 |