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LRFD Design Manual

June 30, 2014

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

Commentary

1. Introduction

Commentary

2. General Design

Commentary

3. Preliminary Design

  3.1 General Commentary
  3.2 Bridges
    3.2.1 Identification numbers Commentary
    3.2.2 Stream and river crossings Commentary
    3.2.3 Highway crossings Commentary
    3.2.4 Railroad crossings Commentary
    3.2.5 Pedestrian and shared use path crossings Commentary
    3.2.6 Superstructures Commentary
    3.2.7 Substructures Commentary
    3.2.8 Cost estimates Commentary
    3.2.9 Preliminary situation plans Commentary
    3.2.10 Permits and approvals Commentary
    3.2.11 Forms Commentary

5. Bridge Superstructure Design

  5.1 General
  5.2 Deck Commentary
  5.3 Haunch Commentary
  5.4 Pretensioned Prestressed Concrete Girder Commentary
  5.5 Steel Girder Commentary
  5.6 Concrete Slab Commentary 
  5.7 Bearings Commentary 
  5.8 Additional Components
    5.8.1 Railings Commentary
    5.8.2 Pedestrian facilities  
    5.8.3 Expansion Joint Commentary
    5.8.4 Deck Drains Commentary
    5.8.5 Reinforcement protection  

6. Bridge Substructure Design

  6.1 General Commentary
  6.2 Piles Commentary

LRFD Pile Design Examples

LRFD workshop on bridge foundations consisting of driven piles in Iowa

  6.3 Drilled Shafts Commentary
  6.4 Spread Footings Commentary
  6.5 Abutments Commentary
  6.6 Piers Commentary

Appendix for Technical Documents

  6.7 Retaining walls  

7. Culverts

Commentary

Precast Barrel Design Methodology

8. Accelerated Bridge Construction

 

10. Special Structures

  10.2 Sign Supports ASD/LFD manual section Commentary

11. Falsework Design

  11.2. Falsework and forms Commentary

12. Bridge and Culvert Inspection, Rating and Repair

  12.1 Bridge Repair Commentary

13. CADD Notes

Commentary

LRFD Steel Design Examples