LOVELAND, Colorado (CBS4) – Both directions of Interstate 25 near Loveland are closed Saturday morning after a semi-trailer was rolled over. The Colorado Department of Transportation says it spilled 11,000 gallons of diesel fuel the entire highway between CO 402 and US 85.

According to the Loveland Fire Rescue Authority, the 4-axle trailer was actually loaded with 11,500 gallons of fuel. They say the entire trailer was buried.

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According to CDOT, the southbound lanes are expected to reopen in the late evening and the northbound lanes could reopen early Sunday morning.

(Credit: Loveland Fire Rescue Authority)

Crews were concerned about the Big Thompson River’s proximity to the spill. They say they worked to keep the fuel from getting into the river.

According to the CSP, the weight of the trailer is not a factor in the accident, but the driver is charged with negligent driving. They say the driver was inattentive.

(Credit: Colorado State Patrol)

The drivers were diverted onto the streets around the spill. You should use US 85 and 287 for the next few hours.

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Authorities tell CBS4 that the driver was stuck in the truck but managed to escape. It is not clear whether they fled before or after the crews arrived. According to the CSP, the driver suffered serious injuries.

“Local officials predict the interstate will be closed for 12 hours or until all hazardous material cleanups are completed from emergency vehicles,” said CPS.

CSP shared a video of part of the semis being hoisted over the highway.

(Credit: Loveland Fire Rescue Authority)

Nearly three dozen firefighters responded to the scene to help clean up. The Colorado state patrol is leading the cleanup while the Environmental Protection Agency is on hand to assist.

Loveland Fire officials also say the air is being monitored in the surrounding neighborhoods.

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It is not clear why the truck crashed or if there are any injuries.