Few dream symbols are as direct as a bridge: a structure whose entire purpose is connecting one state to another, making it one of the clearest transition markers in dream symbolism.
Crossing a bridge successfully
Reflects genuine, if effortful, progress through a transition — you're moving from one phase of your life to another and, in the dream at least, making it across.
A bridge that's broken or incomplete
Common and fairly direct — this usually reflects a transition that currently feels unsupported or unfinished, a gap between where you are and where you're trying to get that you haven't fully figured out how to close.
A bridge over turbulent water
Combines the transition symbol with the emotional-turbulence symbolism of rough water — this often reflects a difficult emotional period that you're actively working to move through rather than being stuck in.