Long-term bridge performance high priority bridge performance issues.
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2014-10-01
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Abstract:Bridge performance is a multifaceted issue involving performance of materials and protective systems,
performance of individual components of the bridge, and performance of the structural system as a whole. The
Long-Term Bridge Performance (LTBP) Program was initiated to collect, store, and analyze the data necessary to
better understand high priority bridge performance issues. The success of the program depends on first being able
to identify the most important performance issues bridge owners face. To identify these issues, input from those
bridge owners and other key stakeholders was sought. As part of this outreach, bridge experts in 15 State
transportation departments were interviewed and asked to name the performance issues in their bridge inventory
that are most common and/or most difficult to solve. The findings of these interviews are included in this report.
To supplement these interviews and identify high priority issues related to bridge substructures, a workshop on
substructure performance issues was held. The findings from the interviews and the substructure workshop were
used to develop a list of 22 high priority performance issues. From this list, a shorter list of six bridge
performance issues was recommended as the first group of issues for study under the LTBP Program.
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