Figure 1-3: Highway Bridge Condition
Tuesday, January 3, 2012
Figure 1-3: Highway Bridge Condition
Excel | CSV | Graphic Version
Maryland
| Year | Total # of Bridges | Structurally deficient | Functionally obsolete | Total of Both | |||
|---|---|---|---|---|---|---|---|
| # | % | # | % | # | % | ||
| 1996 | 5,091 | 493 | 10 | 1,056 | 21 | 1,549 | 30 |
| 1997 | 5,093 | 539 | 11 | 1,013 | 20 | 1,552 | 30 |
| 1998 | 5,082 | 486 | 10 | 999 | 20 | 1,485 | 29 |
| 1999 | 5,168 | 478 | 9 | 1,035 | 20 | 1,513 | 29 |
| 2000 | 4,963 | 440 | 9 | 1,004 | 20 | 1,444 | 29 |
| 2001 | 4,957 | 436 | 9 | 1,010 | 20 | 1,446 | 29 |
United States
| Year | Total # of Brigdges | Structurally deficient | Functionally obsolete | Total of Both | |||
|---|---|---|---|---|---|---|---|
| # | % | # | % | # | % | ||
| 1996 | 582,043 | 101,544 | 17 | 81,217 | 14 | 182,761 | 31 |
| 1997 | 583,207 | 98,521 | 17 | 77,466 | 13 | 175,987 | 30 |
| 1998 | 583,414 | 93,119 | 16 | 79,567 | 14 | 172,686 | 30 |
| 1999 | 585,542 | 88,150 | 15 | 81,900 | 14 | 125,328 | 30 |
| 2000 | 587,458 | 86,692 | 15 | 80,889 | 14 | 167,581 | 29 |
| 2001 | 590,066 | 83,630 | 14 | 81,469 | 14 | 165,099 | 28 |
SOURCES: 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.