The incident took place in Dutchess County around 8:30 a.m., Wednesday, June 10, in the Town of Rhinebeck, said New York State Police Trooper AJ Hicks.
According to Hicks, the boy was riding the bike on Cove Road when he was struck by a Toyota Tundra, Hicks said.
The dirt bike was not street legal.
The boy was transported to Westchester Medical Center, state police said. His condition has not been released.
The incident is under investigation.
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