[rangerX]

They don't take the fleet carriers inside the bridge. They stay over at North Island. The LHAs, LHDs, and the rest of the fleet go inside the bridge. Modular bridge is fine if one moves it as planned. If one drops a couple spans via explosive, it becomes a navigation hazard. Could also cause significant loss of life depending on time of day. This bridge sometimes backs up to mid span because of the tools and rush hour traffic getting onto North Island.

[MetalliDragon]

Well, I stand corrected, though I'm quite certain that if the necessity presented itself, the bridge could be moved. I doubt they designed it that way so it would never be used.