Rehabilitation of deck will most often include sealers or low-permeability overlays, said Krauss. “It is relatively easy to do a deck overlay, which will be less expensive than cathodic protection,” he said. “Either active or passive CP options will usually be less expensive than deck replacement, and the hope is that the agency owner will get a long service life out of the structure while avoiding the need for lane closures and disruption of traffic that reconstruction brings.” v