The bridge generally has the significance of crossing from one phase of life, activity or emphasis to another. So it can be used to represent leaving youth behind and meeting old age. It can also depict connection between yourself and another person, relationship, self and opportunity, self and change in life. Fallen bridge: lost opportunity; broken bonds and connections; parting in relationship. Idioms: Burn one’s bridges; cross that bridge when I come to it; water under the bridge.
