A semi tractor-trailer driver was killed in a fiery crash about midnight Wednesday near Willcox, officials say. It could take up to two days to fully reopen a section of Interstate 10 near the Arizona-New Mexico state lines, according to the Arizona Department of Transportation.

A semi tractor-trailer driver was killed in a fiery crash early Wednesday near Willcox, prompting the partial closure of Interstate-10, officials say.

The semi was traveling west on I-10 about midnight when it went off the right side of the road, struck a guardrail then smashed into a concrete overpass support pillar, the Arizona Department of Public Safety said.

The semi went up in flames and the overpass pillar buckled, officials said.

The tractor-trailer was traveling west on Interstate 10 about midnight struck a guardrail then smashed in an overpass support pillar, officials say.

Neither the name of the driver nor the trucking company have been released. No hazardous materials are associated with the crash.

Westbound I-10 at the New Mexico state line remained closed Wednesday afternoon, and its reopening could take to take up to 48 hours, according to the Arizona Department of Transportation.

Real-time highway conditions are available on the Arizona Department of Transportation's Arizona Traveler Information site at az511.gov.

It is also available by downloading the AZ511 app, calling 511 or through ADOT’s Twitter feed, @ArizonaDOT.

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Jamie Donnelly covers breaking news for the Arizona Daily Star. Contact her via e-mail at jdonnelly@tucson.com