Prefabricated composite structure aqueduct

A prefabricated composite structure aqueduct comprises a main beam and a plurality of aqueduct bodies arranged on the main beam, the opposite ends of every two adjacent aqueduct bodies are connected in a sealed mode, the prefabricated composite structure aqueduct is characterized in that each aqueduct body comprises a bottom plate, a first side wall and a second side wall, the first side wall and the second side wall are arranged on the two sides of the bottom plate, and the bottom plate is fixedly connected with the main beam; the bottom of the first side wall is provided with a first connecting part, the first connecting part is connected with one side of the bottom plate in a sealed mode, the bottom of the second side wall is provided with a second connecting part, and the second connecting part is connected with the other side of the bottom plate in a sealed mode. Compared with the prior art, the aqueduct body of the aqueduct is provided with the prefabricated bottom plate, the first side wall and the sec