Fire extinguishing device for steel girder bridge

The utility model relates to the technical field of bridge fire fighting, and discloses a fire extinguishing device for a steel girder bridge. The steel anti-collision guardrail comprises a steel anti-collision guardrail body on the outer side of a steel girder bridge, a supporting mechanism is installed on the outer side of the anti-collision guardrail body, a fire extinguisher cabinet is installed on the supporting mechanism, an opening in the front end of the fire extinguisher cabinet faces a traffic lane and is obliquely and upwards arranged, and the fire extinguisher cabinet is used for containing a portable fire extinguisher. According to the utility model, the fire extinguisher device which is obliquely arranged is arranged on the outer side of the anti-collision guardrail on the outer side of the steel girder bridge, so that the problem that a portable fire extinguisher is difficult to take and use is solved, and fire fighters can take and use fire extinguishing equipment in the fire extinguishing dev