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Bridge approach systems are used by state departments of transportation (DOTs) to form a smooth transition between the roadway and bridges. Adequate performance of bridge approaches is of extreme importance to transportation agencies as they affect both safety and the public perception of ride quality if the transition is not smooth.

The TRB National Cooperative Highway Research Program's NCHRP Synthesis 566: Practices for Bridge Approach Systems documents the current state of the practice at state DOTs related to the design, construction, and maintenance of bridge approach systems. State DOT design guides and standard specifications were reviewed as part of the information-gathering process.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2021. Practices for Bridge Approach Systems. Washington, DC: The National Academies Press. https://doi.org/10.17226/26196.

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Publication Info

212 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/26196
Chapters skim
Front Matter i-viii
Summary 1-3
Chapter 1 - Introduction 4-6
Chapter 2 - Literature Review 7-40
Chapter 3 - State of the Practice 41-65
Chapter 4 - Case Examples 66-86
Chapter 5 - Conclusions 87-90
References 91-92
Appendix A - State DOT Standard Specifications and Design Guides Reviewed 93-95
Appendix B - State DOT Survey Questionnaire 96-111
Appendix C - Tabulated State DOT Survey Responses 112-204

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