We've learned Casey Aldridge was charged with careless operation of a motor vehicle (a misdemeanor) after this morning's crash -- and no other car was involved.
Cops tell TMZ Casey was driving on the LA 606, which is in the Tensas Parish in Louisiana, when he lost control of his F-250 at around 1:30 AM. Law enforcement sources say Casey was initially taken to the Riverland Medical Facility in Ferriday, LA -- which is right across the border from Mississippi.
19-year-old Casey is currently at the University of Mississippi Medical Center in Jackson, MS.
UPDATE: Cops tell us there were three other passengers in the truck with Casey -- but Casey's injuries were the most serious.