1-6 Structurally Deficient Bridges: 1990-2012 (Table)

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thousands of bridges

Year Number
1990 137,865
1991 134,534
1992 118,698
1993 111,980
1994 107,683
1995 104,317
1996 101,518
1997 98,475
1998 93,072
1999 88,150
2000 89,415
2001 86,107
2002 83,992
2003 82,244
2004 79,949
2005 77,835
2006 75,401
2007 74,056
2008 72,870
2009 71,177
2010 72,397
2011 68,755
2012 66,749

Source: U.S. Department of Transportation, Federal Highway Administration, National Bridge Inventory, available at www.fhwa.dot.gov/bridge/nbi.cfm as of October 2013.