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LRFD Design Manual

January 29, 2010

The Bridge Design Manual is currently being rewritten. As sections are completed, they will be added to this page.

CADD bridge standard plan files and design manual and commentary disclaimer

Summary of updates to manual


Preface  (12/08/09)

Commentary (06/30/09)

1. Introduction (01/19/10)

Commentary (11/10/09)

3. Preliminary Design (01/19/10)

Commentary (10/23/09)

5. Bridge Superstructure Design

  5.1 General (12/08/09) 
  5.2 Deck (11/24/09)
Commentary (11/24/09)
  5.4 Pretensioned Prestressed Concrete Girder (01/19/10) Commentary (11/24/09)
  5.5 Steel Girder (01/19/10) Commentary (11/24/09) 
  5.6 Concrete Slab (11/24/09) Commentary (11/24/09)
  5.7 Bearings (12/04/09)  Commentary (06/30/09)
  5.8 Additional Components
    5.8.1 Railings (11/12/09) Commentary (06/30/09)
    5.8.3 Expansion Joint (11/25/09) Commentary (10/28/09)

6. Bridge Substructure Design

  6.1 General (11/25/09) Commentary(12/23/08)
  6.2 Piles (01/21/10) Commentary (01/26/10)
  6.4 Spread Footings (01/21/10) Commentary (09/08/09)
  6.5 Abutments (01/21/10) Commentary (09/08/09)
  6.6 Piers (12/01/09)  Commentary (11/30/09)

Appendix for Technical Documents (06/30/09)

9. Bridge and Culvert Inspection, Rating and Repair

  9.1 Bridge Repair (11/13/09) Commentary (12/29/08)

10. Special Structures

  10.2 Sign Supports (11/09/09) (AASHTO sign structures standard is ASD) Commentary (09/23/09)

11. CADD Notes (12/07/09)

Commentary (11/24/09)

LRFD Steel Design Examples