Figure 1-3: Highway Bridge Condition

Figure 1-3: Highway Bridge Condition

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Illinois

Year Total # of Bridges Structurally deficient Functionally obsolete Total of Both
# % # % # %
1996 26,160 3,751 14 2,522 10 6,273 24
1997 26,335 3,731 14 2,333 9 6,064 23
1998 26,352 3,548 13 2,249 9 5,797 22
1999 26,474 3,207 12 2,329 9 5,536 21
2000 25,497 2,821 11 2,140 8 4,961 19
2001 25,529 2,725 11 2,099 8 4,824 19

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.