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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

TABLE 2-8 - Condition of U.S. Highway Bridges: 2004-2009

Monday, September 10, 2012

TABLE 2-8 - Condition of U.S. Highway Bridges: 2004-2009

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Number of bridges

  2004 2005 2006 2007 2008 2009
Total all bridges 593,813 595,363 597,340 599,766 601,396 603,259
Urban 137,598 142,408 146,041 151,171 153,407 156,305
Rural 456,215 452,955 451,299 448,595 447,989 446,954
Structurally deficient bridges, total 77,752 75,923 73,784 72,520 71,461 71,177
Urban 12,175 12,600 12,585 12,951 12,896 12,828
Rural 65,577 63,323 61,199 59,569 58,565 58,349
Functionally obsolete bridges, total 80,567 80,412 80,317 79,804 79,933 78,477
Urban 30,298 31,391 32,292 33,139 33,691 33,743
Rural 50,269 49,021 48,025 46,665 46,242 44,734

NOTES: Data for 200406 are as of July of those years; data for 200709 are as of December of those years.
Definitions for the terms Structurally deficient and Functionally obsolete can be found on pages 14 and 15 in Chapter 3 of the Federal Highway Administration's 2006 Conditions and Performance Report, available at http://www.fhwa.dot.gov/policy/2006cpr/pdfs/chap3.pdf. U.S. totals include the 50 states, the District of Columbia, and Puerto Rico. Table includes: rural-interstate, principal arterial, minor arterial, major collector, and local roads; urban-interstate, other freeways or expressways, other principal arterial, minor arterial, collector, and local roads.

SOURCE: 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 Apr. 23, 2010 as cited in U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, table 1-27, available at http://www.bts.gov/publications/national_transportation_statistics/ as of August 2010.