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Culverts are buried drainage structures underneath roadways or embankments that are open at both ends and used to convey and transport water. They can often be vulnerable to accelerated deterioration when there is more frequent severe weather, which can lead to a suite of costly unplanned repairs, rehabilitation projects, or full replacements.

NCHRP Synthesis 651: Practices to Enhance Resiliency of Existing Roadway and Embankment Culverts, from TRB's National Cooperative Highway Research Program, documents management and maintenance practices used by state departments of transportation (DOTs) to enhance resiliency of existing roadway and embankment culverts.

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National Academies of Sciences, Engineering, and Medicine. 2025. Practices to Enhance Resiliency of Existing Roadway and Embankment Culverts. Washington, DC: The National Academies Press. https://doi.org/10.17226/29134.

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Publication Info

154 pages |  8.5 x 11 |  Paperback
ISBN: 978-0-309-99294-7
DOI: https://doi.org/10.17226/29134
Chapters skim
Front Matter i-x
Summary 1-4
1 Introduction 5-9
2 Literature Review 10-24
3 State of the Practice (Survey Results) 25-47
4 Case Examples 48-83
5 Summary of Findings 84-86
References and Bibliography 87-91
Appendix A: DOT Survey 92-107
Appendix B: State DOT Responses to Survey 108-139
Appendix C: Case Example Interview Questions 140-144

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