Figure 11-5 - Structurally Deficient and Functionally Obsolete Bridges: All Roadways,1992-2002
Figure 11-5 - Structurally Deficient and Functionally Obsolete Bridges: All Roadways,1992-2002
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NOTES: 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 (USDOT), Federal Highway Administration (FHWA), Office of Engineering, Bridge Division, National Bridge Inventory database, available at http://www.fhwa.dot.gov/bridge/britab.htm, as of January 2004.