The invention relate to a bridge facility. The bridge facility comprises a cover sleeve and a sewage cover cooperating with the cover sleeve, wherein fixing rings are correspondingly arranged on the left side and the right side of the cover sleeve; a fixing hole is formed in each fixing ring; a protruding and propping part is arranged in the cover sleeve, and a first oblique propping surface is arranged on the protruding and propping part; a second oblique propping surface cooperating with the first oblique propping surface is arranged at the lower end of the sewage cover; locking grooves arecorrespondingly formed in the left part and the right part of the inner wall of the cover sleeve; a first rotating cavity of which a port faces upwards is formed in the center of the upper end surfaceof the sewage cover; a second rotating cavity is formed in the lower end of the first rotating cavity; a third rotating cavity is formed in the lower end of the second rotating cavity; push grooves which communicate with external ends are correspondingly formed in the left side and the right side of the third rotating cavity; a rotating ring is rotatably mounted in the third rotating cavity; narrow and long grooves are correspondingly formed in the left side and the right side of the rotating ring; a circular cavity is formed in the end tail of each narrow and long groove; and a sliding pushplate is mounted in the second rotating cavity in a manner of capable of circulating and rotating as well as moving up and down.