Overturned tanker narrows Keystone bridge, spills oil into Keystone Lake

PAWNEE COUNTY, Okla. - Oklahoma Highway Patrol officials say Highway 412 was shut down to one lane for almost 12 hours due to an overturned oil tanker truck that spilled almost 5,000 gallons of crude oil into Keystone Lake Saturday afternoon. 

Crews are working to clear the roadway and clean up the oil spill. They expect the area to be closed for hours.

OHP Lt. George Brown said a car with a flat tire was driving across the bridge near Bears Glen on Lake Keystone around 9:45 a.m. when it was hit by a fast-moving semi truck hauling around 10,000 gallons of crude oil. 

The truck lost about half its load, estimated to be around 5,000 gallons of oil, into the lake, Brown said.

Michael Troy Royster, 45, of Shawnee, who was driving the tanker truck and flipped on its side, was trapped for about an hour, troopers said.

Royster was airlifted to St. John Medical Center with head, internal trunk injuries and external trunk injuries according to the Oklahoma Highway Patrol. He is listed in stable condition.

Two women in the other vehicle, Gwenuana Dean, 20, and Kayla Dee Nichols, 20, both of Wichita Kan. were transported to the hospital and released with minor injuries, troopers said.

Mark Bearsche with the Oklahoma Department of Environmental Equality said the oil is not hazardous to interested fisherman or area residents

"The city doesn't have any water treatment plants on this lake… therefore no one's drinking this water," Bearsche said.

Bearsche said crews are putting out buoys and debris skimmers to absorb any oil.

"The oil in the water, it dilutes and spreads out in a big lake like this," Bearsche said. "It's broken down and dilutes quickly."

The Oklahoma Highway Patrol reported the odor of alcohol in Dean's vehicle.

No word if any citations or arrests will be made.

The highway reopened completely around 9:30 p.m. Saturday.

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