The utility model discloses a bridge expansion joint structure, it is provided with the expansion joint anchorage zone and the anchor increases large area, the expansion joint anchorage zone includes: set up in the cover to reinforcement of girder back to and build the solidification back epoxy concrete layer between cover to reinforcement to ground, the anchor increases large area for outwards extending the region of formation from the expansion joint anchorage zone, and the anchor increases installs the back bar planting in the large area to and build solidification back the 2nd epoxy concrete layer between girder back to ground. The utility model provides an it is excellent that bridge expansion joint structure has shock resistance, and long service life is little to urban traffic's influence, is particularly suitable for moreover being applied to restoreing bridge expansion joint structure, and the damage of the coupled beam body is little.