Exclusive video from Eyewitness News shows the truck perched precariously over the side of the freeway, one rear wheel dangling free.
Suddenly the road gives out and the fire engine tumbles over the side.
Fire truck tumbles over side of 15 Freeway as road collapses; no injuries
Firefighters had already evacuated the vehicle and no injuries were reported.
The truck was in that location responding to a report of another vehicle, a big rig, that had also fallen over the side of the road.
The incident happened in the No. 5 lane of the southbound 15, south of the 138, after 8 p.m.