Functional obsolescence results from changing traffic demands on the structure. The magnitude of the deficiencies determines whether the existing conditions cause a bridge to be classified as functionally obsolete.
The statistic shows the percentage of U.S. functionally obsolete road bridges in 2012, by state. In that year, **** percent of the road bridges in Alabama were functionally obsolete.
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Bureau of Transportation Statistics, & RITA. (August 31, 2013). Percentage of U.S. road bridges classified as functionally obsolete in 2012, by state [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 01, 2026, from /statistics/190507/us-road-bridges-classified-functionally-obsolete-2010/
Bureau of Transportation Statistics, und RITA. "Percentage of U.S. road bridges classified as functionally obsolete in 2012, by state." Chart. August 31, 2013. ÌÇÐÄÆÆ½â°æ. Accessed August 01, 2026. /statistics/190507/us-road-bridges-classified-functionally-obsolete-2010/
Bureau of Transportation Statistics, RITA. (2013). Percentage of U.S. road bridges classified as functionally obsolete in 2012, by state. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 01, 2026. /statistics/190507/us-road-bridges-classified-functionally-obsolete-2010/
Bureau of Transportation Statistics, and RITA. "Percentage of U.S. Road Bridges Classified as Functionally Obsolete in 2012, by State." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 31 Aug 2013, /statistics/190507/us-road-bridges-classified-functionally-obsolete-2010/
Bureau of Transportation Statistics & RITA, Percentage of U.S. road bridges classified as functionally obsolete in 2012, by state ÌÇÐÄÆÆ½â°æ, /statistics/190507/us-road-bridges-classified-functionally-obsolete-2010/ (last visited August 01, 2026)
Percentage of U.S. road bridges classified as functionally obsolete in 2012, by state [Graph], Bureau of Transportation Statistics, & RITA, August 31, 2013. [Online]. Available: /statistics/190507/us-road-bridges-classified-functionally-obsolete-2010/