4TH STREET AND 88TH STREET NE CORRIDOR IMPROVEMENTS PROJECT

Transportation Budget/Funding

Corridor Finance Chart

* Engineering and permitting also includes right-of-way acquisition.
** Construction includes construction administration, construction engineering, and inspections.

The Tulalip Tribes and WSDOT entered an agreement which provided for $50 million dollars in funding for the 116th Street Interchange/88th Street Project and other Tulalip Reservation I-5 Interchange improvements in order to fulfill its prior commitments to the Tulalip Tribes during the construction of I-5 in the early 1970s.

Approximately $15 million of the original $50 million was obligated and used to fund completion of the 116th Street Interchange by a Tulalip Tribal NOAB Contractor.

On January 25, 2019, the Tulalip Tribes and the City of Marysville submitted a joint letter advising WSDOT of their joint commitment to use the remaining funds to construction improvements on both the 4th Street/SR528 I-5 Interchange and the 88th Street NE I-5 Interchange. On June 2024, the City of Marysville and Tulalip Tribes obtained a WSDOT award of $19 million for project construction.

The costs of improvements at the two interchanges is estimated to cost $85 million.

WSDOT Funding Allocation