Isolation fence for civil engineering bridge

The utility model discloses an isolation fence for a civil engineering bridge. Partition fence, shaping reinforcing rods are installed on the two sides of the interior of the isolation fence. Clampingplates are installed on the upper portions of the two sides of the shaping reinforcing rod, fixing frames are installed on the two sides of the isolation fence, clamping grooves are formed in the upper portions of the inner sides of the fixing frames, first hexagon socket head cap fixing bolts are installed on one sides of the interiors of the clamping grooves, and fixing bases are installed below the fixing frames. A gravity reinforcing pile and an L-shaped supporting foot stand are arranged above and on the two sides of a base respectively. The L-shaped supporting foot stands are connectedwith the base in a rotating mode. By means of the gravity reinforcing piles, the part, making contact with the ground, of the isolation fence can have certain weight, the isolation fence can be more stable in the installation