To provide a replacing guard fence column for a bridge in an existing ground-covering concrete in which a hole shape for inserting an anchoring bolt inserted through the plate of the guard fence column is formed so that a hole position of the anchoring bolt can be adjustable to the plate.

In the gurard fence column 1 for the bridge, an anchoring bolt 4 is embedded in the existing ground-covering concrete 3 where the existing guard fence is removed, and the guard fence column is erected on a top face of the ground-covering concrete 3 by the anchoring bolt 4. In holes 5 for inserting the anchoring bolt formed in a plate 2, at least one of which the long holes formed on lateral side along the longitudinal direction of the ground-covering concrete 3 is formed at a tilt angle against the longitudinal direction of the ground-covering concrete 3.