The Federal Highway Administration is extensively revising its Highway Materials Engineering Academy, which for 20 years has prepared transportation agency staff to develop specifications and guidance; make effective project acceptance decisions; and, design, construct and maintain assets to achieve long service life.
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FHWA: Laggards represent one-quarter of National Bridge Inventory
The latest Federal Highway Administration National Bridge Inventory (NBI) data show a total of 25 percent of the nation’s bridges 20 ft. or longer are either structurally deficient or functionally obsolete. Eleven percent of the 600,000-plus NBI crossings are structurally deficient, indicating significant deterioration of the deck, supports or other major components. Structurally deficient crossings may be posted for lower weight limits or closed if their condition warrants.
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