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TABLE 2-5 Structurally Deficient and Functionally
Obsolete Bridges: All Roadways 1993–2003
Number
Excel | CSV | Graphic Version
| 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.
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