Figure 1-2: Highway Bridge Condition:
Tuesday, January 3, 2012
Figure 1-2: Highway Bridge Condition:
Excel | CSV | Graphic Version
District of Columbia
| Year | Total # of Bridges | Structurally deficient | Functionally obsolete | ||
|---|---|---|---|---|---|
| # | % | # | % | ||
| 1996 | 314 | 60 | 19.1 | 136 | 43.3 |
| 1997 | 313 | 56 | 17.9 | 159 | 50.8 |
| 1998 | 311 | 56 | 18.0 | 166 | 53.4 |
| 1999 | 331 | 45 | 13.6 | 188 | 56.8 |
| 2000 | 250 | 28 | 11.2 | 134 | 53.6 |
| 2001 | 243 | 25 | 10.3 | 136 | 56.0 |
United States
| Year | Total # of Bridges | Structurally deficient | Functionally obsolete | ||
|---|---|---|---|---|---|
| # | % | # | % | ||
| 1996 | 582,043 | 101,544 | 17 | 81,217 | 14 |
| 1997 | 583,207 | 98,521 | 17 | 77,466 | 13 |
| 1998 | 583,414 | 93,119 | 16 | 79,567 | 14 |
| 1999 | 585,542 | 88,150 | 15 | 81,900 | 14 |
| 2000 | 587,458 | 86,692 | 15 | 80,889 | 14 |
| 2001 | 590,066 | 83,630 | 14 | 81,469 | 14 |
SOURCE: U.S. Department of Transportation, Federal Highway Administration, National Bridge Inventory: Deficient Bridges by State and Highway System, Washington, DC: 2001, available at http://www.fhwa.dot.gov/bridge/britab.htm as of Jan. 31, 2002.