( CNN ) -- Traffic on Interstate 15 in Southern California was flowing in both directions early Wednesday after an overpass fire shut down the roadway for more than 24 hours , San Bernardino County said . The bridge in the city of Hesperia caught fire Monday when sparks from blowtorches used to cut reinforcing bar ignited the wooden framework supporting the structure . For a day and half , the fire and cleanup clogged the major artery between Los Angeles and Las Vegas while crews put out the fire and demolished the damaged structure , according to Eric Sherwin with the San Bernardino County Fire Department . Hesperia is about 60 miles northeast of Los Angeles . College tour in California ends in fiery wreck , leaves 10 dead . CNN 's Tina Burnside contributed to this report .
Interstate 15 reopens between Los Angeles and Las Vegas . A new overpass caught fire in Hesperia , California . Blowtorches ignited the wooden structure under the bridge .