Deputies say a driver found the unconscious woman at about 2:15 a.m. Wednesday in the 2500 block of Reston Road.
She was taken to Mercy Medical Center in Roseburg and then RiverBend Hospital in Springfield.
Deputies say she is white, 40-50 years old, weighs 200-225 lbs and has brown hair. She was wearing a purple tank top and shorts and also wore two rings on each of her ring fingers. She also has a small hoop-style nose ring in her left nostril.
Anyone who can help police identify this woman or give any tips about this case is asked call the sheriff’s office at 541-440-4471.