Why It Matters
Washington State’s transportation infrastructure received a significant funding commitment this week when Governor Bob Ferguson signed a $16.6 billion supplemental transportation budget, prioritizing highway preservation and bridge maintenance across the state. The budget addresses mounting infrastructure repair needs while also unlocking new borrowing authority to fund long-term transportation projects without new tax increases.
The spending plan has direct consequences for Washington residents, local governments, and communities still recovering from December flood damage. Hundreds of miles of roads are set to be repaved this summer, and closed or deteriorating structures like the Hansen Road overpass in Moses Lake are among the targeted repair projects.
What Happened
Governor Ferguson signed Senate Bill 6005 on Tuesday, March 31, 2026, approving the supplemental transportation budget that increases state transportation spending by approximately $1.2 billion above the two-year blueprint lawmakers passed in 2025.
The largest share of new funding is directed toward preserving and maintaining highways and bridges, which Ferguson identified as a priority heading into his first term. In remarks before the signing, Ferguson credited the Legislature with delivering what he called a historic infrastructure investment.
On the same day, Ferguson also signed Senate Bill 6225, which authorizes Washington to sell more than $1.3 billion in bonds over the next six years. The governor stated the expanded borrowing authority would allow the state to deliver projects without raising taxes.
By the Numbers
- $16.6 billion — Total supplemental transportation budget signed by Governor Ferguson
- $1.2 billion — Amount by which the new budget exceeds the previously approved two-year transportation spending plan
- $340 million — Combined new and redirected funding for highway preservation, including $300 million in new dollars and $40 million in unspent funds from the 2023–25 budget
- $65 million — Federal funding allocated to repair state highways damaged in December floods, supplemented by $45 million in state loans to counties and cities awaiting federal reimbursement
- $1.3 billion — New bond authorization over six years, including $800 million for projects in the 2022 Move Ahead transportation package and $500 million in additional bond authority for the Highway 520 corridor
- 600 miles — Estimated road paving targeted for completion this summer using funds from the new budget
Key Projects and Priorities
Among the specific infrastructure improvements funded under the new budget is the replacement of the Hansen Road overpass over Interstate 90 in Moses Lake, which the state closed in January 2026 due to safety concerns stemming from structural deterioration. The closure had disrupted traffic patterns for local residents and commercial drivers using that corridor.
A separate highway maintenance program is also receiving a $40 million increase above its originally approved funding level, further reinforcing the administration’s stated focus on keeping existing infrastructure operational before expanding new capacity.
Flood recovery is another significant component. The December floods caused widespread damage to state highways, and the combination of federal repair dollars and state bridge loans to local governments is intended to accelerate recovery in affected communities while federal reimbursement processes move forward.
Zoom Out
Washington’s infrastructure investment comes as states across the country continue to direct federal and state dollars toward deferred maintenance and aging road and bridge systems. The 2021 federal Infrastructure Investment and Jobs Act provided states with historic levels of transportation funding, and many legislatures have paired those dollars with state bonding programs to stretch available resources.
Washington’s use of bond financing to free up cash for new commitments — rather than raising taxes — reflects a strategy seen in other states managing large infrastructure backlogs within constrained budgets. The 2022 Move Ahead Washington transportation package, which underpins much of the current spending framework, represented one of the largest transportation investments in the state’s history.
What’s Next
With both bills now signed into law, the Washington State Department of Transportation is expected to begin mobilizing contractors and crews for the summer paving program and overpass replacement work. The bond sales authorized under Senate Bill 6225 will be phased over the next six years, with $800 million directed first toward Move Ahead Washington projects already in the pipeline.
Local governments receiving state loans for flood damage repair will be expected to use those funds as bridge financing while pursuing federal reimbursements through established disaster recovery channels. Legislative oversight of the bond program and infrastructure delivery timelines will continue through the normal appropriations process.