PA State Trooper Kevin Kochka told Daily Voice the boy committed suicide.
Sources with direct knowledge of the incident told Daily Voice that the boy jumped off the bridge and died.
Lanes in both directions on Route 322 between Bradford Avenue and Downingtown Pike were reopened as of 4:35 p.m., according to Patty Mains, spokeswoman for the Chester County Department of Emergency Services.
The road was closed for nearly 2.5 hours.
Editor's note: A previous version of this story said that the boy had jumped from the bridge to his death. State Police could not confirm how the boy died.
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