The van was pulling a trailer loaded with gym weights across the U.S. 98 bridge over Apalachicola Bay when it turned over on its left side Monday.
Florida Highway Patrol troopers said the weight of the trailer caused it to bounce and weave, resulting in the accident.
Department of Corrections spokeswoman Gretl Plessinger said the inmates were helping move items from one school to another.
She said the officer, who was driving the van, and the inmates were released from hospitals in Apalachicola and Tallahassee Monday night.
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