Prestressed concrete small box girder structure of continuous assembly type bridge floor

The utility model relates to the field of box girders, in particular to a continuous assembly type bridge floor prestressed concrete small box girder structure which comprises piers, small box girders and connecting girders, a plurality of connecting grooves are formed in the tops of the piers, and the connecting grooves are distributed in the width direction of a bridge; the connecting groove extends in the length direction of the bridge, a plurality of steel bar connecting holes are formed in the inner wall of the connecting groove, and the steel bar connecting holes extend in the vertical direction; the multiple small box girders are arranged, the bottoms of the multiple small box girders are inserted into the connecting grooves in a matched mode, the bottoms of the small box girders are fixedly connected with multiple mounting steel bars, and the multiple mounting steel bars are connected to the inner walls of the steel bar connecting holes in an anchoring mode; and the connecting beams are used for conne