It may never be clear what caused a Tacoma crash that killed an 18-year-old girl April 10, police said.
Heidy Morales was driving an SUV on the East L Street overpass about 4 p.m., when the vehicle sharply turned on the bridge, crashed through the guardrail, and plunged onto Interstate 5 below, police and witnesses said.
The Pierce County Medical Examiner’s Office ruled the death an accident.
No one else was hurt.
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Police spokeswoman Loretta Cool said Thursday that investigators probably won’t be able to determine what caused the wreck.