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Figure 85 - Structurally
Deficient and Functionally Obsolete Bridges: All
Roadways—1991–2001
Excel | CSV | Table Version
KEY: Functionally
obsolete refers to bridges that do not have the lane widths, shoulder
widths, or vertical clearances adequate to serve traffic demand, or the
bridge may not be able to handle occasional roadway flooding. Structurally
deficient refers to bridges needing significant maintenance attention,
rehabilitation, or replacement.
SOURCE: U.S.
Department of Transportation, Federal Highway Administration, Office of
Engineering, Bridge Division, National Bridge Inventory database, available
at http://www.fhwa.dot.gov/bridge/britab.htm, as of December 2002.
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