The Oklahoma Highway Patrol and other agencies responded to an injury collision Saturday morning on Highway 75.
The rollover wreck took place just before 8 a.m. at the Duck Creek Bridge near 201st Street.
Authorities at the scene told News On 6 that the a woman driving a Chevrolet HHR may have fallen asleep behind the wheel. Marsha Sloan of Mounds was northbound on the highway when the car ran off the side of the road, striking a guardrail.
The car rode the guardrail then went down the rocks on the south side of Duck Creek, through the water then came to rest on the rocky north of the creek. It rolled an unknown number of times, according to a state trooper's report.
She was freed from the car by Glenpool Fire Department and flown to a Tulsa hospital. Glenpool police assisted troopers at the scene.
Sloan, 50, is in a Tulsa hospital where she is stable with arm, leg, head and other injuries, according to a trooper's report.