The utility model discloses a maintenance-free quickly-assembled bridge pier hanging basket. The device comprises a plurality of supporting frames distributed on the periphery of the outer surface ofthe pier side wall. One end of each supporting frame is fixedly installed on a pier through an embedded assembly, a handrail stand column is fixedly installed at the other end of each supporting frame, step plate supporting frames are arranged at the two ends of the top of each supporting frame, step plate limiting plates are arranged in the middles of the top ends of the supporting frames, and step plates are arranged between the tops of the adjacent supporting frames and are limited and supported through the step plate supporting frames and the step plate limiting plates. The hanging basketdisclosed by the utility model is provided with the plurality of support frames; the hanging basket is formed by splicing the step plate supporting frames and the step plates and can adapt to piers ofdifferent shapes and sizes, meanwhile, the supporting frames, the step plate supporting frames and the handrails are connected through bolts, disassembly and assembly are convenient and rapid, the defects of on-site splicing and welding of an original hanging basket are reduced, and the difficulties of on-site corrosion prevention and welding construction are overcome.