Figure 1-3: Highway Bridge Condition: South Dakota

Figure 1-3: Highway Bridge Condition: South Dakota

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South Dakota

Year Total # of Bridges Structurally deficient Functionally obsolete Total of Both
# % # % # %
1996 6,156 1,163 19 499 8 1,662 27
1997 6,111 1,168 19 419 7 1,587 26
1998 6,106 1,161 19 411 7 1,572 26
1999 6,091 1,414 23 381 6 1,795 29
2000 6,032 1,430 24 372 6 1,802 30
2001 6,001 1,398 23 346 6 1,744 29

 

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.