Figure 1-3: Highway Bridge Condition

Figure 1-3: Highway Bridge Condition

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Idaho

Year Total # of Bridges Structurally deficient Functionally obsolete Total of Both
# % # % # %
1996 4,226 364 9 489 12 853 20
1997 4,180 352 8 469 11 821 20
1998 4,122 346 8 464 11 810 20
1999 4,114 328 8 456 11 784 20
2000 4,032 317 8 435 11 752 20
2001 4,069 320 8 436 11 756 20

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.