Westbound I-90 back open near I-5 after semi overturned blocking all lanes

SEATTLE -- An overturned semi blocked all lanes of westbound Interstate 90 just after Rainier Avenue early Tuesday afternoon.

The Washington State Department of Transportation tweeted about the crash at 1:45 p.m. No one was injured. The cause is not yet known.

At 3:30 p.m., the traffic back-up was six miles and growing heading into Seattle.

Officials brought in Class C tow trucks to tip the semi back onto its wheels. It was towed off of the freeway around 3:30 p.m. Crews cleaned up the scene and reopened the freeway shortly after. Backups were expected to last into the evening.

The truck is carrying 45,000 pounds of frozen food, officials said.

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