The cause and manner of his death remain under investigation by the Snohomish County Medical Examiner's Office.
Everett police are investigating the crash.
It happened around 3 p.m. Saturday in the 4300 block of Broadway, where a bridge takes the road over an I-5 onramp.
Police believe Casey missed a turn and struck a barrier.
He was taken to a local hospital where he died. No other vehicles were involved.
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