wreck on Interstate 310 led to a flipped vehicle which caused the death of a trapped passenger, State Police said.
Lance Higginbotham, 18, Chauvin, was driving a Chevrolet pickup northbound on the interstate when he hit another Chevrolet truck from the rear, police said. Police suspect he was influenced by alcohol.
Both trucks drove off the road; the second, driven by Herbert Bourgeois, 70, flipped upside down into a ditch, according to police.
Bourgeois and one passenger, Rachel Scoqnamill, 70, LaPlace, were rescued and then taken to area hospitals in serious condition, police said.
But Cecille Bourgeois, 72, Montz, was trapped inside with injuries and pronounced dead at the scene.
Higginbotham was charged with driving under the influence, vehicular homicide and two counts of negligent vehicular injuring.
The results of blood-alcohol tests, required in all fatal wrecks, are not yet complete, according to police.
Police said neither Higginbotham nor his passenger, Kevin Bradley, 19, Houma, reported any injuries.