The invention discloses a special hanging bracket for bridge maintenance. The special hanging bracket structurally comprises a hook hanging ring, a telescopic rod, an extension rod, a reinforced frame, a rotating cylinder, a first joint, an inclined support rod, a vertical support rod, a hydraulic cylinder, a second joint, a T-shaped frame and a connecting rod, wherein the hook hanging ring is fixed to the surface of the telescopic rod by virtue of a screw, the telescopic rod is inserted into the right lower corner of the extension rod and is movably connected, and the bottom of the reinforcedframe is in threaded connection to the upper part of the extension rod. According to the special hanging bracket, a pressing electric device is arranged, so that when maintenance workers work under the bridge and need to work at further distance, upper working personnel press a button, so that equipment is driven by a motor, the telescopic rod is gradually discharged, the length of the device isgradually extended, the maintenance workers can reach further places, the working range is wide, and one top and one bottom are not needed, so that the maintenance efficiency is improved.