After the successful extra-point attempt went into the stands, the mostly-empty stadium provided its loudest ovation of the night in support of the fans who tried to keep the ball away from security by throwing it around the seats.
Oregon State finished with 454 total yards, averaging 6.8 per play. Storm Woods had 16 carries for 108 yards and a touchdown, and Terron Ward had a 9-yard TD run.
"That's exactly how we would like to look, we want to have that balance," Riley said. "We just frankly blocked better."
Hedrick threw for 382 yards and a touchdown, closing out a difficult stretch for the Broncos (8-5).
Joe Southwick was sent home by interim coach Bob Gregory after the quarterback was accused of urinating off a hotel balcony in Honolulu last week, though he later told a TV station he didn't do it and was unfairly dismissed.
It was Gregory's first major issue after taking over for Chris Petersen, who left the team to take over at Washington.
"I mean there were a lot of distractions for us, but we've got a bunch of resilient guys," Miller said. "It was looking like we were going to come out and play well and that just didn't happen there."
Gregory said he didn't think the distractions affected his team.
"There wasn't a loss of focus," he said. "I think we had really good bowl practices, I think we had good practices when we were here and again we just didn't make as many plays as we had to make to make a difference in the game."
Both teams started the game with similar drives, making progress on big plays before stalling in the red zone and kicking field goals. But Oregon State grabbed the lead for good on Cooks' 2-yard TD reception with 4:15 left in the first quarter, capping a 92-yard drive.
Oskar Garcia can be reached on Twitter at http://twitter.com/oskargarcia