Separate type bridge structure specially for bicycles and construction method thereof

The invention discloses a separate type bridge structure specially for bicycles. The bridge structure comprises at least one steel box girder unit, at least one steel cap beam and at least one pier column, wherein the pier columns are arranged under at least one of the steel cap beams; each steel box girder unit comprises a first steel box girder, a second steel box girder and at least one tie beam; one end of each tie beam is connected to the corresponding first steel box girder; the other end of each tie beam is connected to the corresponding second steel box girder; and the end surface of each first steel box girder and the end surface of each second steel box girder are movably connected to the corresponding steel cap beam. The bridge structure disclosed by the invention is capable ofon-site sectional assembly and welding, convenient for transportation, high in construction efficiency, light, firm and reliable in structure and low in cost. 本发明公开了种分离式自行车专用桥梁结构，其包括：至少个钢箱梁单元、至少个钢盖梁以及至少个墩柱，且至少个所述钢盖梁下设有所述墩柱；所述