Anyone in the legal department?

[phil.™]

Any of the IBIS community in the legal department, or works with business insurance? I need some advice.
Last month, there was a delivery truck that drove his 18 wheeler into my work sign, which bent it and cracked/broke my sign and inside lights.
I received an estimate from my sign company, they said they cannot bend back the pole because it will damage it more, so they would have to replace to whole pole (re-cement and everything) and replace the sign box.

The estimate came to $11,800 and some change, and the company that hit my sign just called me and said they can only issue me a check for $847.00 because there were already "previous" damages to the pole. Which I call bull shit, because, yes there is previous scratches and rust, but damn they fuck bent my pole.

Is there anything I can do to get the full amount? Or am I shit out of luck on this one?

280839_254706377889034_2137638_o.jpg - this is my shop from last spring, pole is straight (although you can see some rust and stuff)
Store Front.JPG - from the damn company that hit it. Clearly bent.
IMG_2512.JPG - this is the damaged sign

Any advice? If they do not pay up, is this something I could take to court?