Winter 2007
Background to Specifications - read online  read pdf

Spring 2007
Process for Revisions and Additions - read online  read pdf

Summer 2007
2007 Interim Changes - read online  read pdf

Fall 2007
More 2007 Interim Changes - read online  read pdf

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Winter 2008
2008 Interim Changes Part 1 - read online  read pdf

Spring 2008
Safety and the LRFD Specifications  - read online  read pdf

Summer 2008
2008 Interim Changes Part 2 - read online  read pdf

Fall 2008
Load Modifier for Ductility, Redundancy, and Operational Importance  - read online  read pdf

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Winter 2009
2009 Interim Changes Part 1 - read online  read pdf

Spring 2009
2009 Interim Changes Part 2 - read online  read pdf

Summer 2009
Development of the HL-93 Notional Live Load Model - read online  read pdf

Fall 2009
The HL-93 Notional Live Load Model: What Nature of Truck Does It Represent - read online  read pdf

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Winter 2010
Slab-on-Beam Bridge Live Load Distribution Factors - read online  read pdf

Spring 2010
2010 Interim Revisions Related to Concrete Structures Part 1 - read online  read pdf

Summer 2010
2010 Interim Revisions Related to Concrete Structures Part 2 - read online  read pdf

Fall 2010
The HL-93 Live Load Model Dynamic Load Allowance - read online  read pdf

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Winter 2011
The Strut-and-Tie Model: Visualizing Load Paths - read online  read pdf

Spring 2011
2011 Interim Revisions Related to Concrete Structures - read online  read pdf

Summer 2011
The Fatigue Limit States, Part 1 - read online  read pdf

Fall 2011
The Fatigue Limit States, Part 2 - read online  read pdf

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Winter 2012
The Fatigue Limit States, Part 3 - read online  read pdf

Spring 2012
A Question of Application and Interpretation - read online  read pdf

Summer 2012
2012 Interim Changes Related to Concrete Structures - read online  read pdf

Fall 2012
Longitudinal Reinforcement to Resist Shear - read online  read pdf

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Winter 2013
Shear Resistance, Part 1 - read online  read pdf

Spring 2013
Shear Resistance, Part 2 - read online  read pdf

Summer 2013
2013 Interim Changes Related to Concrete Structures - read online  read pdf

Fall 2013
How Does Cracked Concrete Carry Shear? - read online  read pdf

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Winter 2014
Sectional Design Model: Maximum or Concurrent Force - read online  read pdf

Spring 2014
2014 Interim Changes Related to Concrete Structures - read online  read pdf

Summer 2014
Load Rating Concrete Bridges: Part 1 - read online  read pdf
Special Notice: Bridges Composed of Simple Span, Precast Concrete Girders Made Continuous - read online  read pdf

Fall 2014
Load Rating Concrete Bridges: Part 2 - read online  read pdf

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Winter 2015
Load Rating Concrete Bridges: Part 3 - read online  read pdf

Spring 2015
2015 Interim Changes Related to Concrete Structures - read online  read pdf

Summer 2015
Reorganization of Section 5 - read online  read pdf

Fall 2015
Minimum Longitudinal Reinforcement Revisited - read online  read pdf

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Winter 2016
2016 Interim Changes Related to Concrete Structures - read online  read pdf

Spring 2016
2016 Interim Changes Related to Concrete Structures, Part 2 - read online  read pdf

Summer 2016
The AASHTO LRFD Bridge Specifications: Torsional Resistance - read online  read pdf

Fall 2016
The AASHTO LRFD Bridge Design Specificatons: A Retrospective - read online  read pdf

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Winter 2017
The AASHTO LRFD Bridge Design Specifications: Section 5 Reorganization - read online  read pdf

Spring 2017
The AASHTO LRFD Bridge Design Specifications: Combined Shear and Torsion - read online  read pdf

Summer 2017
Combined Shear and Torsion - read online  read pdf

Fall 2017
Moving Forward - read online  read pdf

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Winter 2018
AASHTO LRFD Bridge Design Specifications: Stress Calculations and Prestress Loss Estimates - read online  read pdf

Spring 2018
Benefits of a Reorganized Article on Presetressing - read online  read pdf

Summer 2018
Segmental Bridges: Guide Specifications and AASHTO LRFD Bridge Design Specifications - read online  read pdf

Fall 2018
Upcoming Changes to the AASHTO LRFD Bridge Design Specifications - read online  read pdf

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Winter 2019
Bridge Design Specifications: Stability of Pretensioned Concrete Girders - read online  read pdf

Spring 2019
Bridge Design Specifications: Service IV Load Combination - read online  read pdf

Summer 2019
Factored Axial Resistance - read online  read pdf

Fall 2019
Upcoming Changes to the AASHTO Bridge Specifications - read online  read pdf

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Winter 2020
The Effects of Strand Debonding - read online  read pdf

Spring 2020
Structural Design Based on Strut-and-Tie Modeling - read online  read pdf

Summer 2020
Anchors in Concrete: Guidance for Bridge Engineers - Part 1 of a Four-Part Series - read online  read pdf
Column Ties for Nonseismic Applications - read online  read pdf

Fall 2020
Anchors in Concrete: The Tools to Find Acceptable Concrete Anchors - Part 2 of a four-part series - read online  read pdf

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Winter 2021
LRFD - Anchores in Concrete: Drawing Details to Identify and Procure Concrete Anchors via Specification Special Provisions - Part 3 of a four-part series - read online  read pdf