A man who jumped in a river in an attempt to evade arrest last week has been sentenced to three months behind bars.The man, Christopher T. Young, 31, entered guilty pleas Tuesday morning before General Sessions Judge Bill Locke to charges of evading arrest, possession of methamphetamine and driving on a revoked license. He was directed to serve 90 days of an 11-month, 29-day sentence and pay $800 plus costs. His jail time will be served in addition to any other time he may owe the state on other charges.Young tried to evade deputy Jared Jacobs last week when the officer fell in behind him on Beersheba Street.