Thurston County, WA serious crash shuts down Old Highway 99

A serious crash has forced Old Highway 99 between Tenino and Tilley Road to shut down Monday morning.

Old Highway 99 is shut down between Tenino and Tilley Road after a serious crash. Authorities expect the closure to last several hours. Drivers are asked to use Highway 507 or find alternate routes.

(Thurston County Sheriff's Office)

Traffic alert and detours

What we know:

At 10:20 a.m., a social media post by the Thurston County Sheriff's Office stated the stretch of highway would be closed for several hours as crews respond and clear the scene.

A photo posted on social media shows a semi-truck that likely caught fire, but the blaze has since been extinguished.

Just before 7 p.m., officials said the road was back open, but the speed limit has been temporarily reduced, as the road remains a bit slick.

What we don't know:

It's currently unknown what led up to the crash.

The Source: Information in this story comes from the Thurston County Sheriff's Office.

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