Corrugated steel web combined box girder

The utility model discloses a corrugated steel web combined box girder which comprises a box girder body composed of a horizontal bottom plate, two corrugated steel webs and a cast-in-place concrete bridge deck, the two corrugated steel webs are symmetrically arranged and located on the left side and the right side of the horizontal bottom plate respectively, and the horizontal bottom plate and the two corrugated steel webs are integrally formed through compression molding of steel plates. The cast-in-place concrete bridge deck is transversely erected on the two corrugated steel webs, and a connecting frame embedded in the cast-in-place concrete bridge deck is arranged on the upper edges of the corrugated steel webs; a longitudinal partition plate is arranged in the middle of a box chamber of the box girder body between the two corrugated steel webs, a flange plate for jacking a cast-in-place concrete bridge deck is arranged on the upper edge of the longitudinal partition plate, and welding nails embedded in