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TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 453: State Bridge Load Posting Processes and Practices is a synthesis of the practices of U.S. state governments in restricting weights of vehicles that can cross highway bridges and culverts to levels below legal loads. Bridges and culverts restricted for vehicle weights are called load posted structures. The load posting practices of bridge owners include the identification of structures to post for load, the evaluation of safe load capacities of these structures, and the implementation of restrictions on vehicle weights at structures.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2014. State Bridge Load Posting Processes and Practices. Washington, DC: The National Academies Press. https://doi.org/10.17226/22412.

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Publication Info

164 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/22412
Chapters skim
Front Matter i-vii
Summary 1-3
Chapter One - Status of Bridge Posting for Load in the United States 4-13
Chapter Two - Management of Load Posting of Bridges and Culverts 14-25
Chapter Three - Methods of Evaluation of Weight Limits for Bridges and Culverts 26-50
Chapter Four - Conclusions and Needs for Further Research 51-52
Definitions, Abbreviations, and Acronyms 53-55
References 56-63
Appendix A - Survey of States on Practices in Load Posting 64-102
Appendix B - Detailed Information on Fines, Loads, and Vehicles 103-136

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