Development of Integral/Semi-integral Abutments for TxDOT bridges

While the use of integral and semi-integral bridge abutments has reportedly been increasing nationwide, their construction in Texas has remained limited. These systems have been reported to minimize the costs associated with the installation, maintenance, and repair of bridge deck joints and bearings. In addition, they have the potential to minimize the "bump at the end of the bridge,” which results in reduced maintenance costs. Although this technology has not been widely adopted in Texas, a reassessment of its potential cost and performance benefits is timely. This requires assessment of key design and construction aspects, including the characteristics of common soils in Texas, the details typically adopted for foundation, superstructure, and substructure, and the local pavement standards. Accordingly, this project proposes to assess the use of this technology in Texas by producing: (1) a review of US and international practices, as well as of existing data, to assess the applicability to conditions prevailing in Texas, (2) a thorough evaluation of structures already constructed in Texas, as well as of an integral bridge that will be constructed in 2016 in Texas by FHWA Federal Lands, and (3) a set of design details for using this technology in Texas conditions.


  • English


  • Status: Completed
  • Funding: $1049627
  • Contract Numbers:


  • Sponsor Organizations:

    Texas Department of Transportation

    125 E. 11th Street
    Austin, TX  United States  78701-2483
  • Project Managers:

    Glancy, Chris

  • Performing Organizations:

    Center for Transportation Research

    University of Texas, Austin
    Austin, TX  United States  78759
  • Principal Investigators:

    Zornberg, Jorge

  • Start Date: 20160901
  • Expected Completion Date: 20231231
  • Actual Completion Date: 20231231

Subject/Index Terms

Filing Info

  • Accession Number: 01626213
  • Record Type: Research project
  • Source Agency: Texas Department of Transportation
  • Contract Numbers: 0-6936
  • Files: RIP, STATEDOT
  • Created Date: Feb 17 2017 3:08PM