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