TABLE 2-5 Structurally Deficient and Functionally Obsolete Bridges: All Roadways 1993-2003
TABLE 2-5 Structurally Deficient and Functionally Obsolete Bridges: All Roadways 1993-2003
Number
Excel | CSV | Graphic Version
1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | |
---|---|---|---|---|---|---|---|---|---|---|---|
Structurally deficient | 111,512 | 107,476 | 103,920 | 101,518 | 98,475 | 93,076 | 88,150 | 86,692 | 83,630 | 81,437 | 79,811 |
Functionally obsolete | 80,012 | 79,781 | 81,806 | 81,208 | 77,410 | 79,506 | 81,900 | 80,889 | 81,469 | 81,573 | 81,008 |
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 bridges that 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/, as of January 2005.