Novel prefabricated box culvert

The utility model discloses a novel prefabricated box culvert which comprises a first standard section and a second standard section, and convex tenons are arranged at the front end of the first standard section and the front end of the second standard section. According to the utility model, through early prefabrication and unified transportation and installation, the construction progress can be accelerated, the construction period can be shortened, and the asphalt hemp batting filler is arranged in the external joint between the convex tenons by inserting the concave mortises of the first standard section and the second standard section which are adjacent to each other; according to the fabricated box culvert, the M10 waterproof mortar plugs and the back-attached rubber water-stop strips are arranged at the chamfers of the abutted seams, and the water-swelling rubber strips and the M10 waterproof mortar plugs are arranged at the inner joints of the abutted seams, so that leakage at the joints is effectivel