UPDATE AT 8:20 A.M. — all lanes have reopened; the crash has been cleared.

Previous version of this story follows.

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SPRING, Texas — An overturned big rig and a hazmat spill have the southbound frontage road close along the I-45 North Freeway in the Spring area Friday morning.

This happened near Spring Stuebner Road around 4 a.m. Officials say the big rig, which was carrying scrap metal, attempted to make a U-turn on the frontage road and overturned.

Hydraulic fluid was spilled as a result of the big rig ending up on its side. Crews say the clean-up could take several hours.

Officials said the driver was not hurt in the crash.

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