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transportation infrastructure, structurally deficient, bridges, roads, durable materials, MiSTI, Michigan Technological University

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Helping to Build a Safe and Sustainable Transportation Infrastructure

The American Society of Civil Engineers' 2009 Report Card for America's Infrastructure notes that "one in four of the nation's bridges is either structurally deficient or functionally obsolete ... " and that "33% of America's major roads are in poor or mediocre condition ... .''...