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2023 construction projects and expected delays

Here is the list of construction projects taking place on I-90 summer through fall 2023. Full one-hour closures will occur several times a week for rock blasting between June and October. Plan for delays.

I-90 Homestead Valley Road to Coal Creek – Bridge Deck Rehabilitation

Construction timeline

Summer 2023 – Fall 2023 (continues each year through 2025)

What can travelers expect?

Daytime traffic shift and lane restrictions in both directions through multiple areas between North Bend and Hyak.

Map of I-90 Homestead Valley Road to Coal Creek - Bridge Deck Rehabilitation project area

I-90, 2.77 miles east of Tinkham Road, slope stabilization

Construction timeline

Summer 2023 – Fall 2023

What can travelers expect?

Single-lane, westbound closures 24 hours a day, 7 days a week. Two left lanes open in this three-lane section.

Map of I-90, 2.77 miles east of Tinkham Road, slope stabilization project area

I-90 Wildlife Crossing – Icicle Mitigation

Construction timeline

Summer 2023

What can travelers expect?

Speed reductions and single-lane closures at night in both directions.

Map of I-90 Wildlife Crossing - Icicle Mitigation project area

I-90 Snoqualmie Pass East

Cabin Creek to Easton Phase 3 – Rebuild roadway, bridges & add lanes

Construction timeline

Summer 2023 – Fall 2023 (continues each year through 2028)

What can travelers expect?

  • Two lanes of traffic open during the day. One lane of traffic open in each direction at night.
  • Full one-hour closures an hour before sunset several times a week for rock blasting between June and October.
  • For updates, follow us on Twitter @SnoqualmiePass and sign up for text message alerts by texting the word START to the number 85107.
Map of Cabin Creek to Easton Phase 3 - Rebuild roadway, bridges & add lanes project area
Phase 3 of the I-90 Snoqualmie Pass East Project

I-90 S. Cle Elum Rd Bridges – Repair Bridge Decks

Construction timeline

Summer 2023 – Fall 2023 (continues each year through 2025)

What can travelers expect?

Single-lane closures, rolling slow-downs and intermittent single-lane closures at night in both directions.
Two lanes of traffic will be open through the duration of the project.

Map of I-90 S. Cle Elum Rd Bridges - Repair Bridge Decks project area

I-90 Vantage Bridge – Replace Bridge Deck

Construction timeline

August 2023 – November 2023 (continues each year through 2026)

What can travelers expect?

Daytime single-lane closures in both directions.

Map of I-90 Vantage Bridge - Replace Bridge Deck project area