RedactedNarrative: V1 was travelling down river(South) near the Nevada shoreline when it overturned due to the wake from a passing vessel. Both operator and passenger aboard V1 fell off and V1 was floating down river overturned and uncontrolled when it collided with one of the support columns of the Laughlin Bridge, causing damage to the port side hull and engine compartment. The damage caused V1 to take on a substantial amount of water in the engine compartment while it floated down river overturned for several hundred yards before the passenger was able to secure V1 near the shoreline on the NV side.