An inside rearview mirror bracket for a windscreen includes a pad portion configured to attach to an interior of the windscreen. A bridge portion is formed as a single piece with the pad portion, and a tunnel is defined by the bridge portion and the pad portion. The mirror bracket includes a mirror receptacle formed as a single piece with the bridge portion opposite the tunnel. The mirror receptacle is configured to receive a rearview mirror. A sensor member may be configured to substantially fill the tunnel, such that the sensor member is disposed intermediate the bridge portion and the windscreen.