I-405, NE 132nd Street Interchange

Location: Kirkland, WA

WSDOT and Design-Build contractor Graham Contracting, Ltd. will construct a new on-ramp to northbound I-405 and a new off-ramp from southbound I-405 at NE 132nd Street in Kirkland. This type of interchange is known as a half-diamond. After this project is complete, travelers will have the option to access I-405 at NE 132nd Street, rather than traveling to the heavily congested NE 124th Street or NE 160th Street interchanges.


  • Provides new access to and from I-405
  • Enables reduced traffic congestion and improved mobility
  • Improves pedestrian and bicycle connections in the area
  • Enhances the environment and corrects a fish passage blockage with a new habitat

Contract Value

$50M (Ongoing)

Prime Consultant

WSP Global Inc.

Project Owner


Contract Format


Completion Date

November 2023 (open to traffic)

Contract Duration

27 months