The accident happened around 7 p.m. near Mill Street.
The girl, a backseat passenger, was thrown from the car after it was clipped by another driver.
Police say an Audi carrying four people was traveling southbound at a high rate of speed, and when it went to get back into the southbound lanes, it was clipped by a northbound car
The force of the crash split her Audi in two, with one half landing almost 60 yards away.
Four other people were seriously hurt.
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