Figure 1-3: Highway Bridge Condition

Figure 1-3: Highway Bridge Condition

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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.