A 50-year-old contractor from Mississippi died in Plaquemines Parish after the bulldozer he was working in slipped into a debris covered pond.
Parish officials say the man from Wiggins was pronounced dead at a local hospital Tuesday. WWL-TV reports the accident happened just off La. Highway 23 near Point Celeste.
The victim's name has not been released.
An autopsy will be performed to determine the cause of death.
Efforts to pump water out of low-lying areas of Plaquemines Parish continued Saturday and officials said they expected to have state Highway 23 clear enough for cars to pass by Monday.
Plaquemines was among the parishes hit by severe flooding when Hurricane Isaac struck more than a week ago.
Full-size trucks were able to traverse the highway Saturday, according to a parish news release. Cars were escorted in convoys on the nearby Mississippi River levee.
Plaquemines Parish officials have halted the Scarsdale-Belle Chasse ferry on the Mississippi River until Hurricane Isaac passes.
Parish officials also said Marina Road in Myrtle Grove will close at 2 p.m. on Tuesday.
Plaquemines Parish officials say they have closed the Empire floodgate as Tropical Storm Isaac nears.
Authorities said no boat traffic will be permitted through the gate until further notice.
Plaquemines Parish officials have ordered a mandatory evacuation of the east bank of the parish, in advance of Tropical Storm Isaac.
Additionally, there will be a voluntary evacuation for the south end of Plaquemines Parish, from Ironton to Venice. Belle Chasse Auditorium will be opened at noon on Monday as an emergency shelter.
All Plaquemines Parish schools have been closed until further notice.