The Lyon County Sheriff said in a news release deputies were called to a two-vehicle accident on Thursday at 9:30 p.m.
The accident was at the intersection of A26 and Iowa 182 Avenue.
The sheriff said 41-year-old Melissa Shepley of Bloomington, Minnesota was southbound on IA 182 driving when 16-year-old Julia Bruggeman pulled out from a stop sign on A26 and was struck by Shepley.
Shepley and her two passengers were transported to Sanford Hospital in Sioux Falls, South Dakota. Bruggeman was transported to Avera Medical Center and her passenger was taken to Sanford Hospital.
The sheriff said both vehicles were total losses.
The Lyon County Sheriff’s Office was assisted by the Iowa State Patrol, Larchwood Fire & Rescue, and the Lyon County Ambulance.
The accident is still under investigation.