IRVING (CBSDFW.COM) – A big rig crash shut down part of northbound Loop 12 in Irving Monday morning.

The accident happened around 2:30 a.m. when police say the driver of the semi-tractor trailer hit a guardrail and then crashed into a bridge.

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The truck lost part of its load, scattering debris along the highway. The impact also caused oil and diesel fuel to spill out onto the road.

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Police and fire crews were called to the scene and Loop 12, just north of Highway 114, was closed to cleanup the mess and inspect of the bridge.

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No word if anyone was hurt in the crash. As of 7:45 a.m., police had given no word on when the freeway might reopen.