UPDATE (March 1, 2018 8:47 p.m.): Highway 178 in the canyon is now reopened after a semi truck jackknifed Thursday afternoon, according to the CHP traffic website. 

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UPDATE (March 1, 2018 6:45 p.m.): There is currently no time estimate as to when Highway 178 in the canyon will reopen after fuel was spilled from the semi, according to CHP. 

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UPDATE (March 1, 2018 6:10 p.m.): Highway 178 in the Kern River Canyon is expected to reopen within the next 30 minutes, according to CHP. 

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UPDATE (March 1, 2018 5:45 p.m.): The semi-truck was headed westbound on Highway 178 in the Kern River Canyon when it briefly went off the side of the cliff, overcorrected and hit the canyon wall on the eastbound side. 

The driver of the semi-truck was not injured. There were no other vehicles involved in the incident. 

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Highway 178 is closed in both directions at the mouth of the canyon after a semi truck was jackknifed. 

This is a breaking news story, please check back for more updates.