A 21-year old Coos Bay woman was charged with DUII following a collision on Hwy. 99 north of Monroe in Benton County Tuesday night, Oct. 28. Sierra Campbell was taken to Good Samaritan Hospital in Corvallis with serious injuries. Her southbound 2009 Pontiac G5 crossed the centerline and struck a 2004 Toyota Prius owned by 69-year old Donald Prickel of Corvallis. He was also taken to Good Samaritan Hospital with serious injuries. The collision forced the closure of the highway for two-hours.