Figure 1-2 Condition of U.S. Highway Bridges: 2005–2011
2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | |
---|---|---|---|---|---|---|---|
Total all bridges | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
Structurally deficient bridges | 12.86 | 12.35 | 12.09 | 11.88 | 11.80 | 11.45 | 10.72 |
Functionally obsolete bridges | 13.62 | 13.45 | 13.31 | 13.29 | 13.01 | 12.81 | 12.12 |
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 January 2013 as cited in U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, table 1-28, available at http://www.bts.gov/publications/national_transportation_statistics/ as of January 2013.