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Evaluation of bridge replacement alternatives for the county bridge system.
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Published Date:1994-08-01
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Language:English
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[PDF-2.73 MB]
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OCLC Number:755932277
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Edition:Final report.
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures ; NTL-HIGHWAY/ROAD TRANSPORTATION-Construction and Maintenance ;
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Abstract:Recent reports have indicated that 23.5 percent of the nation's highway bridges are
structurally deficient and 17.7 percent are functionally obsolete. A significant number of these bridges
are on the Iowa county road system. The objective of the investigation described in this report was
to identify, review and evaluate replacement bridges currently being used by various counties in Iowa
and surrounding states. Iowa county engineers, county engineers in neighboring states as well as
private manufacturers of bridge components, and regional precadprestressed concrete manufacturers
were contacted to determine the most common replacement bridge types being used. Depending
upon the frndigs of the review, possible improvements and/or new replacement bridge systems were
to be proposed.
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Supporting Files:No Additional Files
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