In September 2022, contractor crews working for WSDOT will replace the original expansion joint on the east end of the westbound I-90 Homer Hadley bridge that connects Mercer Island to Seattle.
What to expect
Travelers can expect continuous lane closures on westbound I-90 at West Mercer Way while crews replace the expansion joint that connects the bridge to Mercer Island. The first weekend of work is complete; during the final weekend crews will replace the joint across the I-90 mainline. This will require:
- Now until 5 a.m. Monday, Sept. 26, all lanes of westbound I-90 will close.
People traveling to the west side of Lake Washington will need to use either I-405 or SR 520, which is a toll bridge.