• Project

I-90/EB Mercer Slough Bridge - Rehabilitation

Project overview

This project will rehabilitate just under one mile of eastbound Interstate 90 Mercer Slough Bridge from Bellevue Way Southeast to I-405. Crews working for WSDOT will install new bearing seats, modify expansion joints and install new expansion seals. This work will preserve the structural integrity of the bridge and extend its service life.

Timeline
Spring 2025 - Fall 2026
Project status
Pre-construction
Funding
$12.57 million

What to expect

During construction, crews will install new bearing seats, modify expansion joints and install new expansion seals. Work will primarily be at night. Throughout the project, travelers can expect nighttime lane and ramp closures on eastbound I-90.  Full eastbound I-90 closures will be scheduled with detours. 

This project will preserve the structural integrity of the I-90 eastbound Mercer Slough Bridge.