PROBLEM TO BE SOLVED: To improve the traveling performance and reduce the traveling vibration and noise of a car when a step is produced in a boundary 13 between the asphalt pavement 3 and concrete part 5 of a road bridge joint part.;SOLUTION: A plurality of holes 10 are provided in the boundary 13 across both the asphalt pavement 3 and the concrete part 5 at intervals in a joint longitudinal direction. Filler 9 is inserted into the holes 10 so that the upper surface of the filler 9 forms a road surface together with the asphalt pavement 3 and the concrete part 5.;COPYRIGHT: (C)2003,JPO
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