Think he over cooked it on the right hand bend just before the bridge.
Something went wrong or the driver got something wrong. I’m fairly confident he didn’t plan that part of the journey
How do you do that with an empty box■■?
trubster:
How do you do that with an empty box■■?
quite easily 
This is a video still!
Possibly some one pulled out the junction before the bridge and swerved to avoid them .
Tipper Tom:
I’m fairly confident he didn’t plan that part of the journey
New keyboard please! 
Hmmm, I some how doubt the vehicle hit the bridge as is stated in the article.
well boss your sat nav said turn left 
DABenji:
Hmmm, I some how doubt the vehicle hit the bridge as is stated in the article.
Yeah, what bridge?
DABenji:
Hmmm, I some how doubt the vehicle hit the bridge as is stated in the article.
He did, but it was the bridge support, he was up on the right hand pavement when he went under it, probably trying to avoid the abandoned police car in lane 1