The utility model discloses a bridge frame protector including fixed devices, a cross beam, rollers, barrier boards and a nylon rod. The two fixed devices are arranged on two ends of the cross beam. The two rollers are connected with the fixed devices. The upper parts of the rollers are equipped with barrier boards. The nylon rod is arranged between the two rollers. According to the utility model, the bridge frame protector reduces lead abrasion substantially in newly-built line construction or old line dismounting, so that construction pressure of a operating crew is reduced, service lifetime of leads are prolonged, construction cost is saved, accidents of toppling, falling and clamping due to abrasion are prevented effectively and safe reliability is enhanced.