Bridge initial rainwater waste liquid collection system

The invention discloses a bridge initial rainwater waste liquid collection system. The system comprises a plurality of rainwater waste liquid collecting devices installed on a bridge deck and a collecting pool communicated with the rainwater waste liquid collecting devices, each rainwater waste liquid collecting device comprises a drain opening, a drainage pipeline, a drain way and a connecting opening, and the drain openings are formed in the upper surface of the bridge deck and located between bridge handrails on the two sides of the bridge deck; one end of the drainage channel is communicated with the bottom of the drainage port, and the other end is communicated with the drainage pipeline through a connector outside the deck; one end of the drainage pipeline is communicated with the drainage channel through a connector, and the other end of the drainage pipeline is communicated with the collecting pool; the collecting pool is installed close to the pier, and a quantitative adsorbent is placed in the colle