Figure 1-3: Highway Bridge Condition

Figure 1-3: Highway Bridge Condition

Excel | CSV | Graphic Version

Michigan

Year Total # of Bridges Structurally deficient Functionally obsolete Total of Both
# % # % # %
1996 11,385 2,416 21 1,570 14 3,986 35
1997 11,368 2,273 20 1,599 14 3,872 34
1998 11,385 2,232 20 1,614 14 3,846 34
1999 11,220 2,255 20 1,532 14 3,787 34
2000 10,581 2,181 21 1,336 13 3,517 33
2001 10,631 2,012 19 1,354 13 3,366 32

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.