What are the key steps in replacing expansion joints on a bridge?

The key steps in replacing expansion joints on a bridge involve traffic management, removal of the existing joint, preparation of the joint opening, installation of the new joint, and final surface restoration. First, a traffic management plan is implemented to safely divert traffic around the work zone. Next, the existing expansion joint is carefully removed, which typically involves cutting away the surrounding concrete or asphalt and detaching the joint from its anchorages. The joint opening is then prepared by cleaning the concrete surfaces, repairing any damaged areas, and ensuring proper alignment and dimensions for the new joint. The new expansion joint is installed, ensuring it is properly aligned and anchored to the bridge deck. Finally, the surrounding pavement or concrete is restored to provide a smooth transition between the deck and the joint, and the traffic management plan is removed.