RedactedNarrative: The Operator stated that he was going to pass under the highway causeway and he witnessed a bottle be thrown from a vehicle.  He thought that it was going to hit him and he let go of the controls and covered his head with his arms.  The passenger jumped clear.  The vessel continued to travel and struck a concrete support pillar for the causeway.
NameOfBodyOfWater: 8230 LOWER LAGUNA MADRE
NearestCityTown: South Padre Island