It means you have to access a different road and try to remove the obstacles. If you cross a street, the barrier is social. If we find a traffic light, it symbolizes civilized norms of coexistence. If you see the green traffic light, then it indicates that you have to start making changes now. The red traffic light red indicates that we should wait until some of the circumstances will change. If we cross the obstacle in open field, it will be internal order. If we cross a river and the obstacle is water, then it symbolizes your feelings and emotions.

…Lions in dreams portend marriages; success of all kinds, viz.: in love, work, and sport; and unexpected journeys.Prior to a voyage to the West Indies, planned on the spur of the moment, a lady once told me she dreamed she was crossing the road opposite the house when, on glancing up, she perceived, to her terror, the face of a lion glaring down at her from the nursery window. In an agony of fear for her children’s safety, she turned to seek the aid of a man with a gun, when, with a tremendous roar, the Hon leaped down and dashed after her — a proceeding which awoke her.I recollect, too, dreaming I was eaten by a lion, shortly before I made up my mind to go to Oregon, in the summer of 1894….

If you dream about crossing the bridge, then it means that changes are coming in your waking life. The path has left behind you. If the bridge is over road, become simpler person. If the bridge goes on railroad, great business matters on your way. The concrete bridge is an omen of stability.