Bridge drainage system

The utility model discloses a bridge drainage system, include: water catch bowl, card locate port on the water catch bowl drain cover, with the drain pipe of water catch bowl bottom intercommunication, drain pipe and ground rainwater system intercommunication, the bridge floor lies in water catch bowl undercut formation all around collection slag chute, and the apron is established to the last port card of collection slag chute, the water catch bowl by the length size decrease progressively in proper order, the width size in proper order degressive go up cell body, well cell body, and down thecell body forms, go up in the cell body and to establish the first box rather than the shape adaptation with the internal all covers of sinus, first bottom half makes progress the arch and has the first boss of round platform shape decapitation, type first dished cover of hemispherical covers through a plurality of vertical bodies of rod locates first boss top. The utility model discloses a set up an album slag chute, go