Bridge expansion joint repairing structure

A bridge expansion joint repairing structure comprises embedded profile steel, a lining strip and a liquid water-stop belt. A strip-shaped groove is formed in the position, located on the to-be-repaired portion, of the bridge expansion joint. Grouting hole channels are formed in the bridge deck pavement on one side of the strip-shaped groove at intervals; the pre-embedded section steel is strip-shaped and is embedded in the bridge deck pavement on the two sides of the strip-shaped groove, the top surface of the pre-embedded section steel is flush with the top surface of the bridge deck pavement, and the bottom surface of the pre-embedded section steel is located above the slurry outlet; an inserting opening is formed in the side wall of the side, facing the strip-shaped groove, of the embedded profile steel; the lining strip is strip-shaped and is mounted in the strip-shaped groove, and the top surface of the lining strip is a lower concave surface; the two side edges of the lining strip are inserted into the