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LRFD Design Manual

December 31, 2013

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

(09/23/13)
Commentary (06/17/11))

1. Introduction

(12/17/12)
Commentary (12/16/11)

2. General Design

(06/24/13)
Commentary (06/24/13)

3. Preliminary Design

  3.1 General (06/24/13) Commentary (06/17/11)
  3.2 Bridges
    3.2.1 Identification numbers (12/06/13) Commentary (06/17/11)
    3.2.2 Stream and river crossings (12/09/13) Commentary (06/24/13)
    3.2.3 Highway crossings (05/23/12) Commentary (06/17/11)
    3.2.4 Railroad crossings (06/24/13) Commentary (06/24/13)
    3.2.5 Pedestrian and shared use path crossings (06/24/13) Commentary (06/17/11)
    3.2.6 Superstructures (12/06/13) Commentary (06/17/11)
    3.2.7 Substructures (12/19/13) Commentary (12/06/13)
    3.2.8 Cost estimates (06/24/13) Commentary (06/17/11)
    3.2.9 Preliminary situation plans (05/23/12) Commentary (12/06/13)
    3.2.10 Permits and approvals (06/24/13) Commentary (06/17/11)
    3.2.11 Forms (12/17/12) Commentary (06/17/11)

5. Bridge Superstructure Design

  5.1 General (09/23/13)
  5.2 Deck (09/16/13) Commentary (06/20/11)
  5.3 Haunch (08/28/13) Commentary (08/21/13)
  5.4 Pretensioned Prestressed Concrete Girder (12/17/12) Commentary (06/18/12)
  5.5 Steel Girder (11/18/13) Commentary (12/16/11)
  5.6 Concrete Slab (08/21/13) Commentary (06/20/11)
  5.7 Bearings (06/24/13) Commentary (06/17/11)
  5.8 Additional Components
    5.8.1 Railings (12/16/11) Commentary (12/02/10)
    5.8.2 Pedestrian facilities (08/21/13)  
    5.8.3 Expansion Joint (12/17/12) Commentary (06/17/11)
    5.8.4 Deck Drains (06/17/11) Commentary (06/17/11)
    5.8.5 Reinforcement protection (09/16/13)  

6. Bridge Substructure Design

  6.1 General (09/17/13) Commentary (12/02/10)
  6.2 Piles (06/24/13) Commentary (06/24/13)

LRFD Pile Design Examples (12/17/12)

LRFD workshop on bridge foundations consisting of driven piles in Iowa (10/30/12)

  6.3 Drilled Shafts (08/21/13) Commentary (06/17/11)
  6.4 Spread Footings (06/24/13) Commentary (12/02/10) 
  6.5 Abutments (08/28/13) Commentary (06/24/13) 
  6.6 Piers (09/16/13) Commentary (09/16/13)

Appendix for Technical Documents (09/16/13)

  6.7 Retaining walls (09/11/13)  

7. Bridge Substructure Design

  7.2. Falsework and forms (08/19/13) Commentary (08/19/13)

8. Culverts

(07/17/13)
Commentary (06/24/13)

Barrel Design Methodology (11/29/12)

9. Bridge and Culvert Inspection, Rating and Repair

  9.1 Bridge Repair (09/16/13) Commentary (09/16/13)

10. Special Structures

  10.2 Sign Supports (12/01/10)  ASD/LFD manual section Commentary (12/02/10)

11. CADD Notes

 (09/03/13)
Commentary (11/14/13)

LRFD Steel Design Examples