Trooper Melissa D. McMorris, public information officer for the New York State Police, said State Police responded to the incident at 11:55 a.m.
Troopers, who were assisted by the Westchester County Police, determined that the woman had jumped from the Hospital Road overpass onto the Sprain Brook Parkway in Hawthorne.
Hospital Road is off of Bradhurst Avenue in Hawthorne and is used to access the Westchester Medical Center complex and New York Medical College in Valhalla.
The 19-year-old woman was transported to the hospital with non-life threatening injuries.
Click here to follow Daily Voice Ossining and receive free news updates.