U.S. Highway 12 has been closed through White Pass because of a rockslide, and the earliest it will open is Saturday, according to a state...

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YAKIMA — About 13 miles of U.S. Highway 12 will remain closed through the weekend because of a potential rockfall hazard, according to Washington State Department of Transportation officials.

On Wednesday, state construction workers were bringing down hazardous rocks when several boulders — twice the size of refrigerators — came crashing down on the road. Geological experts have since inspected the site, which is located six miles west of White Pass summit, and said there is a potential for even larger rocks to come crashing down.

“Some as big as dumptrucks,” said Corie Henke, WSDOT field engineer. “I can tell you we’re not opening up today. … Some people are speculating that we’ll be open on Monday or sooner, but right now I don’t think we know yet.”

The highway closure extends from White Pass to the junction of State Route 123. WSDOT spokesman Mike Westbay said most of the recreation areas are located before the site of the closure and remain open to the public.