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Robinson was initially taken to the Oak Bend Hospital in Richmond with serious injuries.
Man killed when SUV plunges into Brazos river bottom
A deputy told Eyewitness News that he was ejected in the crash through the SUV's sunroof. It's unclear whether the sunroof was open or closed when he wrecked.
Emergency workers were initially searching the water for other people in the car, but after some calls to the man's family, they determined he was the only person in the vehicle.
Eyewitness News saw a muffler hanging from the electric lines at the scene. Authorities say the car likely flipped.