I took the building afternoon, but I honestly didn't have a problem with having bridge questions in the morning. I don't like the idea of having zero knowledge in a large area of structural engineering, so I enjoyed preparing for those questions. I can at least get around in the AASHTO code now and have at least a very basic understanding of bridge design. It's not like the bridge questions were insanely hard or anything. All but one or two were similar to practice problems I worked leading up to the exam. I've also always found it interesting to see where different codes and standards differ on the same topic. It gives a better understanding of the thought process behind the provisions and their application.
For the bridge guys, I realize it's a staggering amount of information to brush up on, but I don't think it's unreasonable to expect them to have knowledge outside of one code.