TABLE 11-5 Structurally Deficient and Functionally Obsolete Bridges: All Roadways 1992-2002

TABLE 11-5 Structurally Deficient and Functionally Obsolete Bridges: All Roadways 1992-2002

Number

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  1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
Structurally deficient 118,698 111,512 107,476 103,920 101,518 98,475 93,076 88,150 86,692 83,630 81,437
Functionally obsolete 80,392 80,012 79,781 81,806 81,208 77,410 79,506 81,900 80,889 81,469 81,573

NOTES: Structurally deficient refers to bridges needing significant maintenance attention, rehabilitation, or replacement. 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.

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 January 2004.