Four-week construction to cause lane closures, reductions along I-5 Ship Canal

SEATTLE—The Washington State Department of Transportation (WSDOT) has announced significant lane closures and reductions on the Interstate 5 Ship Canal Bridge this summer. The four-week construction aims to address the aging infrastructure before the FIFA World Cup in 2026. WSDOT officials emphasize the importance of this work to ensure the bridge remains safe and functional for the nearly 200,000 vehicles that traverse it daily.

Construction Schedule and Impact on Traffic

Beginning July 25, all northbound lanes of I-5 from Interstate 90 to Northeast 45th Street will be closed until July 28. After this initial closure, the lanes will reopen but will be reduced to two lanes for approximately four weeks, with a speed limit set at 50 miles per hour. A second closure is scheduled from August 22 to August 25, during which all northbound lanes will again be closed along the same stretch.

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During these closures, contractors will undertake essential repairs, including resurfacing about 20% of the bridge, partially repairing five expansion joints, and replacing bridge drain inlets. WSDOT has strategically planned this construction to avoid conflicts with major holidays and peak events, aiming to minimize disruption for drivers. The I-5 express lanes will remain open in the northbound direction throughout the lane reductions, and drivers are encouraged to use I-90 exits, collector-distributor lanes, or alternate routes to navigate around the closures.

Importance of Timely Repairs

The I-5 Ship Canal Bridge has reached a critical point where delays in repairs could lead to more severe rehabilitation needs in the future. WSDOT’s northwest region administrator, Brian Nielsen, highlighted the urgency of the situation, stating, “There is no great time to close lanes on I-5. Taking advantage of four weeks of warm, dry weather this year sets us and you up for success in future construction seasons.”

With the bridge carrying nearly 200,000 vehicles daily, the repairs are essential for maintaining safety and reliability. WSDOT aims to complete the project before the end of 2027, ensuring that the bridge can withstand the increased traffic expected during the FIFA World Cup. The department is committed to providing a safe and dependable infrastructure for years to come.