Oversize Load Crash

While driving west on I-10, I watched a truck with an oversize load slam into the underside of an overhead bridge and was able to capture it with my dash cam...

As you can see in the slow-mo portion of the video, there was a lead truck with a vertical pole to check for overhead clearance. It appears he did not give the other trucker enough time to stop before hitting the bridge. I suspect someone is going to be looking for a new job after this.