State Police said the accident happened about 9 p.m. on LA 182.
The investigation revealed that a 1996 Isuzu Rodeo was traveling west on LA 182 just past LA 660. The Rodeo was being driven by Juan Martinez-Silva, 56, of Lockport.
The Rodeo crossed the center line and struck an east-bound 2000 Cadillac Deville was being driven by Belinda Leonard, 48, of Raceland.
After the head-on impact, the Rodeo began to rotate counterclockwise and rolled onto its passenger side.
Martinez-Silva, who was not wearing a seat belt, was pronounced dead on the scene by the Terrebonne Parish Coroner’s Office.
Leonard, who was wearing a seat belt, was also pronounced dead on the scene by the Terrebonne Parish Coroner’s Office.
John Steve, 34, of Raceland, was a passenger in the Deville and died while in route to the hospital. Steve was not wearing a seat belt at the time of the crash, LSP reports.
Natasha Rogers, 28, of Gray was also a passenger in the Deville and was transported to Terrebonne General Hospital with severe injuries. Rogers was wearing a seat belt at the time of the crash.
Alcohol use is unknown at this time, and routine toxicology tests are pending.