Having drove transport I can say that even big cars can be difficult to see in the right lane. These cars must be almost invisible. It is also not uncommon to have to turn from the left lane in order to negotiate some corners. This has to be done with extra care though since the driver knows he has a massive blind spot.
IMPORTANT NOTE: I am not I any way blaming you with the next comment but it needs to be said even though the truck driver was at fault.
If a transport has his right signal on but is in the left lane keep out of the right lane! The few seconds it would cost you to drop back and see what he is doing could very well save your car or even your life. The same applies for following or passing trucks on the right on the highway. Remember, if you can't see the truck driver's face in the mirror HE CAN'T SEE YOU!
These signs exist for very good reason
I highly doubt that the car is even close to totaled but it can be hard to tell.