Railway simply-supported T-beam bridge with steel cross beams arranged on single side

The utility model provides a railway simply-supported T-beam bridge with a steel cross beam on one side, which relates to the technical field of railway bridges and comprises a simply-supported T-beam structure, a sound barrier mechanism and a steel cross beam structure, the simply-supported T-beam structure comprises a first edge beam, a second edge beam and at least one middle beam, the first edge beam, the middle beams and the second edge beam all comprise bridge deck slabs arranged on the upper surfaces and transverse partition plates arranged below the bridge deck slabs, the first edge beam, the middle beams and the second edge beam are fixedly connected in sequence through wet joint concrete, and a first ballast blocking wall is arranged on the side, close to the center of the bridge, of the first edge beam. A second ballast blocking wall is arranged on the side, away from the bridge center, of the second boundary beam. The sound barrier mechanism is arranged at the end, away from the first ballast bloc