GROSSE TETE — I-10 Eastbound was closed Tuesday morning following a fatal crash near the Iberville-West Baton Rouge parish line, traffic officials said. 

According to the West Baton Rouge Parish Coroner's Office, the crash happened when a box truck rear-ended an 18-wheeler. The driver of the truck was killed and the passenger was injured. 

Traffic reports said the crash happened around 4:50 a.m. The crash closed nearly 12 miles of the interstate from La. 77 in Grosse Tete to La. 415 in West Baton Rouge.

By 6:10 a.m., the blockage was down to one lane.