The utility model relates to the technical field of urban rail transit, and discloses an assembled prefabricated rail plate suitable for urban rail transit, including a rail plate body, two rows of track-bearing platforms are arranged on the rail plate body, and the two rows of track-bearing platforms are arranged at intervals along the length direction of the rail plate body; a weight-carrying cam is arranged on the rail plate body, and a counterweight casing is pre-buried and arranged on the top end face of the rail plate body, and the cam is detachably connected to the weight-carrying casing. The counterweight cam and the counterweight casing are detachably connected. The counterweight casing is pre-buried on the main body of the track plate, so that no later drilling is required when the counterweight platform is to be installed, and the reinforcement structure on the main body of the track plate is prevented from being interrupted when drilling; the counterweight platform and the counterweight casing can be detachably connected, so that when the vibration-damping demand for the ballast track of the urban rail transit is changed, the staff can select the counterweight platform matching the vibration-damping effect of the demand and connect it to the pre-buried counterweight casing, thus adjusting the lifting effect of the ballast track. When the vibration damping effect of the ballast track changes, the staff can choose the counterweight cam to match the vibration damping effect and connect it with the pre-embedded counterweight casing.