Highway bridge support with good stability

The utility model discloses a highway bridge support with good stability, relates to the technical field of bridge supports, and provides the following scheme that the highway bridge support comprises a bottom plate, a rubber support is installed on the outer wall of the top of the bottom plate, a supporting plate is fixed to the outer wall of the top of the rubber support, and sliding grooves are formed in the two ends of the outer wall of the top of the supporting plate; and sliding rods are welded to the inner walls of the two sliding grooves correspondingly, the two sliding rods are sleeved with sliding blocks correspondingly, and the two ends of the two sliding rods are sleeved with buffer blocks correspondingly. The connecting stability between the support and the bridge lower structure is enhanced, the road bridge support is firmly connected enough, after the fixing plate is fixed to the bridge upper structure through the bolts, the sliding blocks slide in the sliding grooves to extrude the buffering b