2-3 Condition of U.S. Highway Bridges: 2000-2010

2-3 Condition of U.S. Highway Bridges: 2000-2010

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Mode 1990 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
Total, all bridges 572,205 589,674 589,685 590,887 591,940 593,813 590,553 597,340 599,766 601,396 603,259 604,460
Urban 108,770 133,384 133,401 135,339 135,415 137,598 137,598 146,041 151,171 153,407 156,305 157,571
Rural 463,435 456,290 456,284 455,548 456,525 456,215 452,955 451,299 448,595 447,989 446,954 446,889
Structurally deficient bridges 137,865 86,678 83,595 81,261 79,775 77,752 75,923 73,784 72,520 71,461 71,177 69,220
Urban 16,847 13,079 12,705 12,503 12,316 12,175 12,600 12,585 12,951 12,896 12,828 12,443
Rural 121,018 73,599 70,890 68,758 67,459 65,577 63,323 61,199 59,569 58,565 58,349 56,777
Functionally obsolete bridges 100,355 81,510 81,439 81,537 80,990 80,567 80,412 80,317 79,804 79,933 78,477 77,412
Urban 30,266 29,398 29,383 29,675 29,886 30,298 31,391 32,292 33,139 33,691 33,743 33,714
Rural 70,089 52,112 52,056 51,862 51,104 50,269 49,021 48,025 46,665 46,242 44,734 43,698

Notes: Structurally Deficient and Functionally Obsolete are defined in the Glossary.

Sources: 2000-U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics; based on data from Federal Highway Administration, Office of Bridge Technology, National Bridge Inventory (NBI), personal communication, Aug. 14, 2001. 2001-2010-U.S. Department of Transportation, Federal Highway Administration, Office of Bridge Technology, National Bridge Inventory (NBI), Count of Bridges by Highway System, available at http://www.fhwa.dot.gov/bridge/britab.htm as of Aug. 18, 2011.