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MIT Survey: Steel Reuse in California Bridges

Posted: 7/21/2025

The Massachusetts Institute of Technology (MIT), in cooperation with the National Association of County Engineers (NACE), is conducting a survey as part of a study on the reuse of structured steel in short-span bridges.

Reusing steel can significantly reduce the cost and carbon emissions associated with short-span steel bridge construction. This case study shows how county engineers in Ohio have been able to save costs by building new bridges with repurposed steel beams. When the city of Zanesville replaced the old Green Valley Road Bridge, it did so by using beams that were salvaged from a previous bridge replacement.

This was the county’s fifth bridge to be replaced with repurposed steel beams and it saved an estimated $51,000 in superstructure costs, showcasing the potential for cost-savings of this solution.

Your input, and the results of this survey, will bring valuable insights regarding the barriers and opportunities for reuse of steel in bridges across the country.

Take the Survey!

About NACE

The National Association of County Engineers (NACE) is a nonprofit, nonpartisan professional organization representing over 3,000 county road and infrastructure professionals across the U.S., dedicated to ensuring safe, efficient county roads and bridges through advocacy, education, and collaboration.

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