Transcription of Chapter 13 Bridge Load Rating Contents
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Chapter 13 Bridge Load Rating Contents
WSDOT Bridge Design Manual M Page 13-i July 2019 Chapter 13 Bridge load Rating LRFR Method per the load Factor Method (LFR) .. Allowable Stress Method (ASD) .. Live Rating Trucks .. Special Rating Criteria .. Dead Live load Distribution Reinforced Concrete Structures .. Prestressed Concrete Structures .. Concrete Concrete In-Span Girder Box Girder Segmental Concrete Concrete Slab Steel Steel Floor Steel Truss Timber Structures .. Widened or Rehabilitated load Rating Software .. load Rating Appendices ..13-17 Appendix LFR Bridge Rating LRFR Bridge Rating Summary .. 13 Bridge load RatingPage 13-ii WSDOT Bridge Design Manual M July 2019 WSDOT Bridge Design Manual M Page 13-1 July 2019 Chapter 13 Bridge load GeneralBridge load Rating is a procedure to evaluate the adequacy of various structural components to carry predetermined live loads. The Bridge load Rating Engineer in the WSDOT Bridge Preservation Office is responsible for the Bridge inventory and load Rating of existing and new bridges in accordance with the National Bridge Inspection standards (NBIS) and the AASHTO Manual for Bridge Evaluation (MBE), latest edition.
New bridges that have designs completed after October 1, 2010 shall be rated based . on the Load and Resistance Factor Rating (LRFR) method per the MBE and this chapter. NBI ratings shall be based on the HL-93 truck and shall be reported as a rating factor. For bridges designed prior to October 1, 2010, partially reconstructed or rehabilitated
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