To prevent the separation or damage of an elastic pad from a PC sleeper, even when it receives a repeated load, and to provide an elastic bearing member that has an excellent durability.

Fitting bolts are inserted into the bolt inserting holes that have been opened in the protective plate 4 having lateral pressure resistant plates 6 that are bitten in the gravel and they are provided to both the upper and lower surfaces of the protective plate 4 so as not to be projected from the end periphery. The fitting bolts 11 are inserted into the bolt inserting holes 10 (not shown) that have been opened both in an interior pad 7 and in an elastic pad 5 that have been fixed respectively, and the fitting bolts 11 are screwed into the internal threads of the inserts 12 that have been embedded in a PC sleeper 1.