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Bridges

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The Federal Highway Administration estimates that nearly one-third of America’s 594,000 bridges are either structurally deficient or functionally obsolete. Steel bridges offer viable design solutions for bridge owners because they are durable, cost-effective, and offer ease of maintenance and construction. For more advantages to steel bridges, click here

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Want to see how bridges work? Click the picture to find out!

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Special Anouncement:
Marquette Interchange In the News!

"Collaboration Breeds Success" Image
May 12, 2009

Government Engineering Magazine January/February issue featured an article written by AISI's own Robert Wills. Once again showcasing the integral role steel played in the construction of the Marquette Interchange in Milwaukee, Wisconsin, a PDF version of the article can be found here. (Filesize = 6MB)

"State DOTs adopt high-performance steel"
February 23, 2009

GoBridges.com recently published an article on steel's integral role in making the new, ultra-efficient Marquette Interchange in Milwaukee, Wisconsin.  The article, written by AISI's own Robert Wills, can be found here on the GoBridges.com website. 

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Special Anouncement:
Video Interviews!
December 12, 2008

AISI recently interviewed a State Department of Transportation (DOT) bridge engineer and university professor of civil engineering about steel bridges and what is needed in bridge design going into the future.

Click here for highlights of these interviews:
Dennis Mertz
Ralph Anderson

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  Bridge Publications by the American Iron and Steel Institute

 Steel Brochure

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Steel: The Material of Choice for Transportation & Infrastructure 
(6 MB)

Steel Bridge Construction:
Myths & Realities

(4MB)  

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"Steel Has the Solution"
Short Span Bridges Fact Sheet
(<1MB)

 

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In The News

AISI Commends Senate For Approving $8 Billion For Highway Trust Fund
09/11/2008 - The American Iron and Steel Institute (AISI) issued the following statement today by AISI President and CEO Thomas J. Gibson regarding the U.S. Senate’s approval of $8 billion to be shifted into the Highway Trust Fund.
 
A Value Proposition For Bridge Projects: Delivering Safe, Functional Infrastructure Efficiently and Economically
06/01/2008 - This article explains how steel provides cost-effective alternative solutions for efficient bridge structures.  By Craig Finley, P.E., Structural Engineer Magazine

AISI Congratulates Ed Wasserman, P.E. for Being Named as a 2007 Trendsetter by Public Works Magazine
12/10/2007

ENR.Com Article: In Tallahassee Redesign, Steel Makes The Grade
11/28/2007 - Concrete or steel? Steel won one round in the case of a bridge in Lee County, Fla.

AISI Presents Ed Wasserman, P.E. With 2007 Market Development Industry Leadership Award
08/08/2007 - The American Iron and Steel Institute (AISI) presented the 2007 Market Development Industry Leadership Award to Ed Wasserman, P.E., director of the Tennessee Department of Transportation’s Structures Division, during steel bridge industry meetings held in Nashville, Tennessee.

 
Statement from NSBA on I-35W Bridge Collapse
08/03/2007- AISI is a member of the National Steel Bridge Alliance, which issued this statement on the collapse of the I-35W Bridge in Minneapolis.

AISI’S Bridge Task Force Names 2006 Recipient of Robert J. Dexter Memorial Lecture  - 08/15/2006    > > Also see Award's page for more. 

AISI Congratulates National Student Steel Bridge Finalists

Professor/Researcher Robert J. Dexter
First Recipient Selected is Professor at Purdue University

High-Performance Steel: Research to Practice: by William Wright
A new grade of high-performance structural steel, HPS-485W, is now commercially available for highway bridge construction. This is the first product developed under a highly successful cooperative research program between the Federal Highway Administration (FHWA), the U.S. Navy, and the American Iron and Steel Institute.

Emerging Construction Technologies: High Performance Steel
High strength steels have been available for years, but their use required more welding control and fabrication processes than conventional strength steels. For this reason few bridge owners have been willing to risk potential problems in fabrication, eventhough the design could be more efficient with higher strength steel.

Team Honored for Developing High Performance Steel For Bridges By Mary Zoccola
A team consisting of members from the Carderock Division, the American Iron and Steel Institute (AISI) and the Federal Highway Administration (FHWA) received the 1997 Civil Engineering Research Foundation (CERF) Charles Pankow Award for Innovation.

Focus on High-Performance
While there have been many advances in steel-making technology over the last 20 yrs., today structural steels in the United States are not very different from those used 20 years ago.

FHWA Steel Fabrication
U.S. Department of Transportation, Federal Highway Administration Bridge Fabrication Information

HPS Success
Integrating high-performance 70 ksi steel (HPS) with traditional 50 ksi steel yielded a design that cost 10% less than the lowest concrete bid.

 

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