Passenger takes the wheel after chunk of bridge knocks driver unconscious.
Just minutes after kissing her great niece and great nephew goodbye Monday morning, Betsy Hinkle got the shock of her life.
"I just turned to the television screen and I gasped, 'oh my God that's my niece's vehicle.' She was just here," Hinkle said.
Shortly after leaving Hinkle's house, Hinkle's niece Kate was driving down Interstate 25 in Denver, Colorado with her 10-year-old son and 5-year-old daughter in the backseat.
Kate's cousin, 26-year-old Brandon, was in the passenger seat.
"All of a sudden, loud noise, crash, and he had concrete in his lap," Hinkle said.
A semi driver for RMS Cranes clipped the Speer Boulevard overpass with his trailer.
A chunk of concrete smashed through the windshield, knocking Kate unconscious.
The car was still traveling at highway speeds and beginning to lose control.
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