About 50 to 100 gallons of diesel fuel was spilled five miles east of Sprague when a semitrailer crashed on Interstate 90.
Trooper Kyle Witt, spokesman for the Washington State Patrol, said the eastbound truck left the roadway at about 3 a.m. Monday near milepost 249 due to inattention by the driver. The truck rode a guardrail, Witt said, and then struck a bridge, coming to a rest and spilling fuel near a creek.
The Department of Ecology was on scene shortly after, Witt said. Crews were unsure if fuel entered the waterway that fed a nearby pond. Witt said cows from a local farmer use the pond for drinking water.
The passenger of the semitrailer was transported to a local hospital for neck pain. The driver was not injured.
Eastbound I-90 was partially blocked while crews cleaned up the wreckage. Traffic was not affected.
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