"Corrosion" means a naturally occurring phenomenon commonly defined as the deterioration of a metal that results from a chemical or electrochemical reaction with its environment.
"Corrosion prevention and mitigation methods" means:
"Corrosion prevention project" means carrying out corrosion prevention and mitigation methods during construction, alteration, maintenance, repair work on permanently exposed portions of an eligible bridge, or at any other time necessary on an eligible bridge. "Corrosion prevention project" does not include traffic control or clean-up related to surface preparation or the application of any curing compound or other substance onto or into any cement, cementitious substrate, or bituminous material.
"Eligible bridge" means a bridge or overpass the construction, alteration, maintenance, or repair work on which is funded directly by, or provided other assistance through, a municipality, a public-private partnership, the State, the federal government, or some combination thereof . "Eligible bridge" does not include a bridge or overpass that is being demolished, removed, or replaced.
605 ILCS 5/4-106