TRB's National Cooperative Highway Research Program (NCHRP) Report 575: Legal Truck Loads and AASHTO Legal Loads for Posting explores recommended revisions to the legal loads for posting as depicted in the Manual for Condition Evaluation of Bridges, and the Guide Manual for Condition Evaluation and Load and Resistance Factor Rating (LRFR) of Highway Bridges. The report examines the development of the new loads.
Appendix A: Survey Questionnaires and Responses
Appendix C: Analyses of Generic Spans for Formula B Trucks
Appendix D: Analyses of Generic Spans for Non-Formula B Trucks
Appendix E: Estimating Maximum Loading by Simulation
Appendix F: Recommended Revisions to AASHTO Manuals
Appendix G: NCHRP Project12-63 Calibration Report
WIM Data (Warning: This is a large database that may take a few minutes to download.)
National Academies of Sciences, Engineering, and Medicine. 2007. Legal Truck Loads and AASHTO Legal Loads for Posting. Washington, DC: The National Academies Press. https://doi.org/10.17226/23191.
| Chapters | skim | |
|---|---|---|
| Front Matter | i-vii | |
| Summary | 1-3 | |
| Chapter 1 - Introduction | 4-7 | |
| Chapter 2 - Findings | 8-40 | |
| Chapter 3 - Interpretation, Appraisal, and Application | 41-65 | |
| Chapter 4 - Conclusions and Suggested Research | 66-69 | |
| References | 70-70 | |
| Bibliography | 71-73 | |
| Appendixes | 74-74 | |
| Abbreviations used without definitions in TRB publications | 75-75 |
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