Cement truck catches fire on Interstate 15: Fire may have spread to brush near Mercy Road

Truck was northbound, fire north of Mercy Road

SAN DIEGO - A moving cement truck caught fire and possibly exploded on Interstate 15 between San Diego and Escondido Saturday, causing a fire that may have spread to brush below a bridge near Mercy Road.

And 90 minutes after the wreck, half of the busy freeway's northbound lanes remained closed while hazmat crews determined how to best remove the smoldering wreckage, California Highway Patrol officers said.

CHP records indicate 911 calls began coming in at 6:38 a.m. about a burning truck heading north on the 15 Freeway's general purpose lanes. Some callers said the cement truck somehow exploded.

Somehow, a fire also broke out in the deep canyon below the freeway's bridge just north of Mercy Road. Initial reports were that a car had fallen off the freeway bridge into the chasm, but CHP officers were unable to immediately spot that.

The truck driver was able to escape with minor injuries before the engine compartment and cab burned. It was not immediately reported if there was a load of wet cement in the mixer.

The left three lanes of the mainline portion of Interstate 15 remained open while three right lanes were closed in the aftermath of the crash. Caltrans workers began the process to drop tolls on the express lanes in the median to handle the crush of backed-up traffic

The CHP closed the Mercy Road onramp at 6:55 a.m to allow for the investigation into the crash. Caltrans and San Diego police were assisting to cone off the area for a hours-long closure while the cement truck is removed.

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