"This fire is extremely risky and is moving with no regard to what's on its path", Cal Fire Incident Commander Chief Brett Gouvea told reporters. Mike Daly filmed his drive on Friday morning.
More than 4,900 structures are threatened and an estimated 6,000 people have been evacuated. A fire official said the blaze was "taking down everything in its path".
Firefighters regroup while battling the Carr Fire in Shasta, Calif., on Thursday, July 26, 2018.
"The fire became very active throughout the evening", Cal Fire said in a statement early Friday.
Warm air further dries out the land and provides blazes with more fuel, though gusty winds are hugely important contributors - if not the most important factor.
The California National Guard has been deployed to assist with the flames as triple digits are expected to continue throughout Friday.
The hamlet of French Gulch that dates to the Gold Rush era was evacuated after a vehicle problem ignited the blaze on Monday.
Another fire, the Ferguson Fire, has prompted the closure of the most iconic areas of Yosemite National Park until Sunday, killed one person and injured several firefighters.
Friday morning, authorities said the bridge had only been covered by debris and dust from the fire.
A privately hired bulldozer operator died battling the fire. "The fire community is extremely heartbroken for this loss".
Marin County Battalion Chief Brett McTigue said three firefighters were assigned to the same engine company, operating as a strike team.
McTigue said their injuries were burns to face, ears, and hands.
The Carr Fire burned across a stretch of California about two hours south of the OR border.
Mandatory evacuations were ordered overnight for the city of Shasta Lake, which has about 10,000 residents.
Evacuations are in place in many areas on the west and north sides of Redding.
A Cal Fire spokesman could only confirm portions of west Redding were under evacuation. "We are going to leave the station because (it) is now unsafe to be here". "It doesn't sound good".
The season has followed a particularly destructive and deadly fire year in the state -in 2017 almost 9,000 wildfires tore through 1.2m acres, taking down close to 11,000 structures.
Journalists covering the fire also had to respond to the blaze.
Journalists at the Record Searchlight newspaper tweeted about continuing to report on the fire without electricity in their newsroom, and a reporter at KHSL-TV wrote on Twitter that the station's Redding reporters were "running home to gather their things".
The fire erupted Wednesday and rapidly spread over 7½ square miles (19 square kilometers), forcing the evacuation of the entire town of Idyllwild, other communities and youth summer camps.
Fire officials say dozens of homes have burned, though conditions make it impossible to determine an accurate count and the number could climb much higher.
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