Bridge Technology Center

Answers to Your Questions About Standard Bridge and Culvert Designs and Details

eSPAN140 Information Center

One Stop for Customized Steel Bridge and Culvert Solutions up to 140'

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Experience the many perks that go along with being an SSSBA member


Simple Span Bridge Design With eSPAN140

Free web-based tool eSPAN140 provides preliminary simple-span and modular designs for steel bridges up to 140 feet, allowing bridge owners and designers to compare steel and concrete structures and make informed choices. Michael Barker, Ph.D., P.E. explains how to use eSPAN140 for plate girder and wide flange shapes and showcases three completed county and state bridges designed with eSPAN140.

Historical Life Cycle Costs of Steel and Concrete Girder Bridges

As Michael Barker, Ph.D., P.E. talks with bridge owners across the country, they consistently ask him about the life service and life cycle costs of steel and concrete bridges. His answers have always been anecdotal due to a lack of industry data – until now. Dr. Barker conducted a comprehensive study to answer these questions with facts. In this video, he discusses the study’s objectives, data collection process and database development; provides an analysis of the bridge costs; and shares some interesting conclusions!

Saving Time With Steel Tub Girders in St. Clair County, Michigan – Infrastructure Week 2018 Webinar

Guy C. Nelson, P.E., S.E. from TEG Engineering LLC provides an overview of the Con-Struct™ prefabricated bridge system and presents details on two of the projects he designed. If you want to learn more about time-saving and cost-effective short span steel bridge solutions, you’ll want to view this webinar that was presented as part of Infrastructure Week 2018.

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Life Cycle Costs Matter When Comparing Steel and Concrete Girder Bridges

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Industry Spotlight


Build Resumes with FREE Steel Bridge Student Lecture Series Being Held July 13-29, 2020!

Students, turn those empty summer hours into building a resume while learning about steel bridge design, fabrication and construction.

The SSSBA, University of Wyoming, American Institute of Steel Construction and National Steel Bridge Alliance are teaming up to bring you a free 6-part live-lecture educational series that runs from July 13-29, 2020.

Lectures will be provided on Monday and Wednesday evenings during those weeks from 7:00 pm to 8:00 pm EDT. Just complete and pass a quiz after each lecture to earn a Certificate of Completion at the end of the series.

The nation's infrastructure needs to be rebuilt. Get a head start on your career and learn more at

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