Hi, and first off welcome to the forum! The general rule is that the driver is responsible for knowing his/her rig and using the roads accordingly. There are loads of signs that you never noticed before that advise no vehicles over a certain length, over a certain weight, over certain height, over a certain # of axles, etc etc. I would say low clearance bridges are more common that curves that are too tight.
Aside from knowing your length, weight and height, I also heed signs that say "no trucks". The sign may not state a reason, but more often than not it's because trucks don't fit.
There are several apps you can use, my Pioneer AVIC nav system allows me to create a vehicle profile where I enter my vehicle size/weight and it keeps me off of roads where I shouldn't be. You can also buy a "trucker's Altas" for old school folks...
Search in the iTune or Play stores for "trucker's maps" or similar.
Also be aware of haz-mat restrictions on flammables...there are tunnels where you shouldn't be with propane tanks (your trailer has 2).