REDDING, Calif. (KGO) -- The Delta Fire burning in Shasta County has grown to over 40,000 acres after forcing the closure of a nearly 50-mile stretch of I-5. The fire is five percent contained.
VIDEO: 'I might die here': Videos show drivers escaping wildfire on I-5 in Shasta County near Redding
Flames are on both sides of Interstate 5, forcing the closure of a nearly 50-mile stretch.
It has destroyed thousands of trees - some 70 feet (20 meters) tall - that could fall onto the roadway, said Denise Yergenson, a spokeswoman for the state Department of Transportation.
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"There is lots of damage, lots of emergency personnel. It's just not a safe situation," she said.
Officials planned to reevaluate whether to reopen the highway that traverses the entire West Coast from Mexico to Canada and serves as a main artery for commerce.
Caltrans said it needs to replace guard rails, signs and fix the pavement.
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Several million dollars in business is being lost each day due to the closure because trucks cannot get through, according to Caltrans.
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(The Associated Press contributed to this report.)