Performance Evaluation of KYTC Bridge Deck Overlays Used for Maintenance Activities

State departments of transportation (DOTs) have used overlay systems since the 1960s to protect underlying concrete substrates and extend the service lives of deteriorated concrete bridge decks. While overlays improve the ride quality, protect reinforcing steel, and/or modify the transverse profile and vertical alignment of the existing roadway to improve deck drainage, they can deteriorate and debond from the underlying concrete decks. Kentucky Transportation Cabinet (KYTC) requires detailed information on the condition of overlays to assess variability in their performance and prioritize future maintenance work. In the study, KTC will identify KYTC-owned bridges with overlays whose service lives have exhibited significant variance. Perform field evaluations to document the current condition of overlays.


    • English


    • Status: Active
    • Funding: $100000
    • Contract Numbers:

      KYSPR 24-655

    • Sponsor Organizations:

      Kentucky Transportation Cabinet

      200 Mero Street
      Frankfort, KY  United States  40622
    • Performing Organizations:

      University of Kentucky, Lexington

      Kentucky Transportation Center College of Engineering, 176 Raymond Building
      Lexington, KY  United States  40506-0281
    • Principal Investigators:

      Palle, Sudhir

    • Start Date: 20230701
    • Expected Completion Date: 20250630
    • Actual Completion Date: 0

    Subject/Index Terms

    Filing Info

    • Accession Number: 01893247
    • Record Type: Research project
    • Source Agency: University of Kentucky, Lexington
    • Contract Numbers: KYSPR 24-655
    • Files: RIP, STATEDOT
    • Created Date: Sep 14 2023 8:49AM