Table 1-27: Condition of U.S. Highway Bridges

Table 1-27: Condition of U.S. Highway Bridges

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  1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
TOTAL all bridges 572,205 574,036 572,197 573,716 576,460 581,135 581,863 582,751 582,976 585,542 589,674 589,685 590,887 591,940 593,813 595,363 597,340 599,766 601,396 603,259
Urban 108,770 112,363 115,312 117,488 121,141 122,537 124,950 127,633 128,312 130,339 133,384 133,401 135,339 135,415 137,598 142,408 146,041 151,171 153,407 156,305
Rural 463,435 461,673 456,885 456,228 455,319 458,598 456,913 455,118 454,664 455,203 456,290 456,284 455,548 456,525 456,215 452,955 451,299 448,595 447,989 446,954
Structurally deficient bridges, total 137,865 134,534 118,698 111,980 107,683 104,317 101,518 98,475 93,072 88,150 86,678 83,595 81,261 79,775 77,752 75,923 73,784 72,520 71,461 71,177
Urban 16,847 17,032 16,323 15,932 15,692 15,205 15,094 14,846 14,073 12,967 13,079 12,705 12,503 12,316 12,175 12,600 12,585 12,951 12,896 12,828
Rural 121,018 117,502 102,375 96,048 91,991 89,112 86,424 83,629 78,999 75,183 73,599 70,890 68,758 67,459 65,577 63,323 61,199 59,569 58,565 58,349
Functionally obsolete bridges, total 100,355 97,593 80,393 80,000 79,832 80,950 81,208 77,410 79,500 81,900 81,510 81,439 81,537 80,990 80,567 80,412 80,317 79,804 79,933 78,477
Urban 30,266 30,842 26,243 26,511 27,024 27,487 28,087 26,865 27,588 29,065 29,398 29,383 29,675 29,886 30,298 31,391 32,292 33,139 33,691 33,743
Rural 70,089 66,751 54,150 53,489 52,808 53,463 53,121 50,545 51,912 52,835 52,112 52,056 51,862 51,104 50,269 49,021 48,025 46,665 46,242 44,734

NOTES

Explanations for the terms Structurally Deficient and Functionally Obsolete can be found on pages 14 and 15 in Chapter 3 of the Federal Highway Administration, 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, minor collector and local roads; Urban-Interstate, other freeways or expressways, other principal arterial, minor arterial, collector, and local roads.

Data for 1990, 1992, 1997-99, 2000, and 2007-09 are as of December of those years; data for 1991 and 1994-96 are as of June of those years; data for 1993 are as of September of that year; data for 2000 are as of August of that year; and data for 2002-06 are as of July of those years.

SOURCES

1990-2000: 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 and Apr. 24, 2008.

2001-09: 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.