MOUNTLAKE TERRACE, Wash. — A portion of Interstate 5 near Mountlake Terrace was closed for multiple hours as the Washington State Patrol investigated a fatal crash Saturday morning.
The crash happened around 6:30 a.m. on I-5 near 220th Street when a mattress fell off a truck, according to the Washington State Patrol.
The Washington State Patrol said a vehicle struck the mattress after it fell in the roadway, causing the vehicle to collide with a semi-truck, killing the driver.
The northbound lanes of I-5 were closed near 220th Street for nearly five hours while crews worked to clear the scene.
The Washington State Patrol is seeking information in the crash and asks anyone with information to contact them at 360-654-1204.
The unknown truck is described as possibly a small, older dark-colored pickup with wood-sided bed racks and carrying miscellaneous household items.
This is a developing story. Check back for updates.
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