ALMA, Texas (CBSDFW.COM) – A fiery crash involving an 18-wheeler and a pickup truck left one person dead and closed southbound I-45 early this morning.

Photo: Robert Flagg/CBSDFW

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It happened around 2:15 a.m. near the town of Alma – north of Corsicana.

Officials confirm one person died on scene.

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The big rig – loaded with roofing materials – caught fire and burned for several hours.

Photo: Robert Flagg/CBSDFW

The Texas Department of Public Safety is investigating the crash, but provided no immediate details on what happened.

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The southbound lanes of the freeway have since been reopened.