Big rig spills load on I-10, shutting down freeway lanes at Highway 99

HOUSTON, Texas (KTRK) -- A big rig wreck in Chambers County has spilled a white substance all over the westbound lanes of I-10 near Highway 99. The lanes were closed for hours during the clean-up process. The freeway was reopened to traffic just before 11 a.m.

A white powder leaked out of a gaping hole in the vehicle. According to DPS, the substance is ash compound, used in concrete. It is not toxic.

Crews are on the scene on the East Freeway at Highway 99 in Chambers County.

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