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Design and Research Documentation

Design Aids


04/23/2018 – This guide updates the November 2012 edition. Free download.


12/17/2012 – This guide provides the most recent recommended methodology to fabricate and weld structures using ASTM A709 or AASHTO M270, Grade HPS 100W (HPS 690W) steel.


These standards were developed by the AASHTO/National Steel Bridge Alliance Steel Bridge Collaboration and cover the design, fabrication and erection processes.


7/18/2011 – This edition provides bridge professionals with the recommended methodology to fabricate and weld structures using ASTM A709 or AASHTO M270, Grade HPS 70W (HPS 485W) steel.


6/13/2011 – This handbook includes chapters on selecting the right bridge type, stringer bridges, loads and load combinations, and design for constructability, among others.


1/20/2011 – This document compiles and corrects top myths and misconceptions about the viability of steel in bridge design and construction for a wide range of bridge types.


8/18/2010 – FHWA resource on bridge technology and steel.


7/1/2010 – Provides suggested guidelines for proper application of uncoated (unpainted) weathering grade steels in highway structures and recommendations for maintenance.


1/1/1997 – This is a review and status description for the corrosion coulometer.


Provides a link to Federal Highway Administration library of resources.

Research Reports


7/24/2014 – Updated! The research yielded design examples for steel plate girder bridges that could significantly limit damage sustained in a large earthquake. Replaces 09/2013 rpt.


9/12/2012 – The report details the findings of NCHRP Project 12-79, covering simplified 1D or 2D analysis methods vs. 3D methods, and guidelines on construction analysis and plan details.


3/31/2011 – This report assesses the corrosion performance of weathering steel bridges in West Virginia and presents guidelines and recommendations for their design and maintenance.


1/21/2011 – This study demonstrates the reduction of CO2 emissions through the use of high performance steels. Produced by World Steel Association.


6/1/2010 – This report presents a summary of research and develops code language and commentary that can be adopted into the AASHTO LRFD Specifications.


1/1/2006 – This guide facilitates the process of selecting cost-effective and appropriate bearing systems for steel girder bridges.


1/1/2006 – This section covers Part I of the guide through Steel Reinforced Elastometric Bearings (pages 1 through II-9).


1/1/2006 – This section covers Part II of the guide (pages II-10 through II-36).


1/1/2006 – This section covers Part III of the guide, pages 53-85.


10/27/2005 – This report covers testing conducted to determine if two existing wire and flux combinations are capable of joining HPS 100W successfully.


4/9/2004 – This report provides a literature and experimental study of strain aging in high- performance steel and other bridge steels.


4/1/2004 – Roy Teal, consultant to Âé¶¹´«Ã½, the High Performance Steel Steering Committee and the Welding Advisory Group, answers questions about the material.


1/16/2003 – This report describes the extensive analysis of the current data that includes both tensile and Charpy V-Notch data. Authors: Somchat Suwan, Lance Manuel and Karl H. Frank. January 16, 2003.


10/23/2002 – The purpose of this work was to determine the minimum preheat required for welding HPS 70W when using gas-shielded arc welding processes and tubular wire electrodes.


3/1/2002 – Experimental and analytical research determines the strength and ductility performance of tension members and the tension flange of flexural members fabricated with HPS 70W.


6/2/2000 – The research provides recommendations for achieving good performance from weathering steel bridges.


12/1/1998 – This report includes the results of research performed on combinations of Submerged Arc Welding consumables needed for joining high-performance weathering steels.


2/1/1998 – This report is a review of the simulative-, small- and full-scale weldability test performed on HPS 70W.


10/1/1996 – This work reviews development and design implementation to aid bridge engineers.


1/1/1996 – This report provides an update on the high performance steel for bridges program.


12/31/1995 – This report includes results from the 52 weathering steel bridges that were originally inspected in 1980 as part of Phase 1.


6/6/1995 – This report addresses the influence of yield-tensile ratio on the behavior of members and connections.