What is the meaning of the word "bridge"?

With deep feelings, the author of this article has created a glorious image of an ordinary old man and party member. In the face of the raging flood, with his prestige and steady, upright and decisive command, he sent the villagers to the bridge of life across death. He gave the hope of life to others, left the danger of death to himself and built an immortal bridge with his own flesh and blood. This bridge is an outstanding bridge represented by the old branch secretary of our party.