Interstate 10 west is closed past La. Highway 415, at Lobdell, due to an overturned gravel truck, officials said at about 7 a.m. Wednesday.
Congestion is approaching La. Highway 1 at Port Allen, DOTD said.
The crash involved a gravel truck and another commercial vehicle, the West Baton Rouge Sheriff's Office said. One of the vehicles caught fire.
First responders are on the scene.
Drivers are being diverted from I-10 west to La. Highway 415, Lobdell, DOTD said.
This is a developing story .