Figure 1-3: Highway Bridge Condition
Tuesday, January 3, 2012
Figure 1-3: Highway Bridge Condition
Excel | CSV | Graphic Version
Montana
| Year | Total # of Bridges | Structurally deficient | Functionally obsolete | Total of Both | |||
|---|---|---|---|---|---|---|---|
| # | % | # | % | # | % | ||
| 1996 | 5,016 | 597 | 12 | 699 | 14 | 1,296 | 26 |
| 1997 | 5,016 | 594 | 12 | 601 | 12 | 1,195 | 24 |
| 1998 | 5,054 | 581 | 11 | 596 | 12 | 1,177 | 23 |
| 1999 | 5,039 | 629 | 12 | 583 | 12 | 1,212 | 24 |
| 2000 | 4,979 | 625 | 13 | 567 | 11 | 1,192 | 24 |
| 2001 | 5,009 | 570 | 11 | 560 | 11 | 1,130 | 23 |
United States
| Year | Total # of Bridges | 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 | 170,050 | 29 |
| 2000 | 587,458 | 86,692 | 15 | 80,889 | 14 | 167,581 | 29 |
| 2001 | 590,066 | 83,630 | 14 | 81,469 | 14 | 165,099 | 28 |
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.