D'Anthony Thomas helped out with three TDs en route to 122 yards on 17 rushes as Oregon (11-1, 7-1 Pac-12) rebounded from its first loss of the season last week with a one-sided conference victory.
Quarterback Marcus Mariota tossed for 140 yards and a touchdown on 17-of-24 efficiency, and ran for 85 yards with a score on eight tries for the Ducks.
The Beavers (8-3, 6-3), meanwhile, lost for the third time in five games despite 70 rushing yards with two scores from Storm Woods.
Oregon State turned the ball over six times.
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