The invention discloses a ramp bridge scaffold support with overlapped arc-shaped steel plates, and relates to the technical field of bridge construction. The ramp bridge scaffold support comprises aplurality of horizontally-overlapped steel plate layers. Each steel plate layer is provided with a top layer. An upward arc surface is arranged on the surface of each top layer and has an angle r, andr is larger than 30 degrees and smaller than 60 degrees. The arc-shaped steel plates with a certain radius are prepared and placed on the top of a support body and overlapped with other steel platesto form the temporary support.