GORMAN (CBSLA) — The northbound 5 Freeway at the 138 in Gorman was closed well into the evening Wednesday after at least two big rigs crashed, spilling a corrosive material into lanes.

The crash was first reported at about 3 a.m. between two big rigs, one of which spilled hay bales onto the freeway. The second big rig crashed into the hay bales, according to the California Highway Patrol.

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(credit: CBS)

All northbound lanes were shut down after the crash, and authorities diverted traffic off the freeway at Smokey Bear. The Templin Highway onramp to the northbound 5 Freeway was also shut down. Southbound lanes remained open.

A hazmat team was called in to clean up organic acid that spilled onto lanes. All northbound 5 Freeway lanes at Parker remain closed, while one left lane is open at the 138 Freeway.

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The northbound lanes were reopened at 7 p.m.