I-5 / 4th ST and 88th ST NE Corridor Improvements Project
Project No. 2026-014
Project Manager:
Nicole Smith
Senior Project Manager
116th St NE Job Shack
11404 - 34th Avenue NE
Tulalip, Washington 98271
Phone: 360-716-4697
Project Description:
NON-MANDATORY PRE-BID MEETING:
Wednesday, July 8, 2026 @ 10:00 AM PST
116th Job Shack
11404 34th Avenue NE
Tulalip, WA 98271
Submission Details: I-5 / 4th ST and 88th ST NE Corridor Improvements Project includes the improvement to the existing I-5 interchanges and the corridors of Marine Drive NE / 4th Street / SR 528 and 88th Street NE. The project constructs seven roundabouts replacing signalized intersections along both corridors. The project also construct a new bridge over Coho Creek on 88th Street NE (replacing an existing culvert), new and replaced retaining walls, new stormwater treatment and conveyance systems, enhancements to Coho Creek and surrounding critical areas, landscaping, illumination, permanent signing, ITS, and other work.
The majority of the project footprint is located within the boundaries of the Tulalip Indian Reservation.
Open Date: June 29, 2026
Close Date: August 10, 2026
Project Documents
- Notice to Bidders I-5 4th Street and 88th Street NE Corridor Improvements.pdf
- I-5 4th Street and 88th Street NE Corridor Improvements Vol 2 Specs - Contract Documents.pdf
- I-5 4th Street and 88th Street NE Corridor Improvements Vol 1 Specs - Contract Documents.pdf
- I-5 4th Street and 88th Street NE Corridor Improvements Contract Documents Appendices.pdf
- I-5 4th Street and 88th Street NE Corridor Improvements Vol 3 Plans.pdf
- I-5 4th Street and 88th Street NE Corridor Improvements Vol 4 Plans.pdf