UNIT 1 RAN AGROUND ON ROCKS UNDER HWY 178 BRIDGE CAUSING UNIT 1 TO CONTINUE UNDER BRIDGE KNOCKING THE T-TOP OFF OF THE VESSEL THROWING THE OPERATOR IN THE WATER. OPERATOR TRANSPORTED TO AN-MED HOSPITAL WITH LACERATIONS TO THE BACK OF HEAD AND SEVERAL BROKEN RIBS. OPERATOR TREATED AND RELEASED FROM HOSPITAL.