Name: State Statistics STATE Statistics
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This database provides information on the number of structurally deficient or obsolete bridges on public roads, including Interstate Highways, U.S. highways, State and county roads, andpublicly-accessible bridges on Federal lands. (NHS refers to bridges in the National Highway System.) It contains a state-by-state summary of the number, location, and general condition of highway bridges. See detailed background for more information.

Categories include:

Number of bridges
Number of structurally deficient bridges
Number of functionally obsolete bridges
Number of deficiency (Total number of structurally deficient and functionally obsolete bridges)
Total area (Total bridge area)
Structurally deficient area (Structurally deficient weighted by deck area)
Functionally obsolete area (Functionally obsolete weighted by deck area)
Deficient area (Structurally plus functionally obsolete weighted by deck area).

Name	Deficient and Obsolete Bridges (Archives, 1992-2015)
Summary	Number of structurally deficient or obsolete bridges on public roads, including Interstate Highways, U.S. highways, State and county roads, andpublicly-accessible bridges on Federal lands
Additional Background	This database provides information on the number of structurally deficient or obsolete bridges on public roads, including Interstate Highways, U.S. highways, State and county roads, andpublicly-accessible bridges on Federal lands. (NHS refers to bridges in the National Highway System.) It contains a state-by-state summary of the number, location, and general condition of highway bridges. See detailed background for more information. Categories include: Number of bridges Number of structurally deficient bridges Number of functionally obsolete bridges Number of deficiency (Total number of structurally deficient and functionally obsolete bridges) Total area (Total bridge area) Structurally deficient area (Structurally deficient weighted by deck area) Functionally obsolete area (Functionally obsolete weighted by deck area) Deficient area (Structurally plus functionally obsolete weighted by deck area).
Geographic Coverage	U.S., States
Periodicity	Annually
Series Begins/Ends	1992 - 2016
Data Source	US Department of Transportation, National Bridge Inventory

Summary	Number of structurally deficient or obsolete bridges on public roads, including Interstate Highways, U.S. highways, State and county roads, andpublicly-accessible bridges on Federal lands
Geographic Coverage	U.S., States
Series Begins/Ends	1992 - 2016
Reporting Period	Annually
Updated	Aug. 08, 2017
Next update	None
Original Source	US Department of Transportation, National Bridge Inventory
Number of records	848
Values Missing or Not Reported	2.1%
File Size	0.2MB
Latest data available	Year 2016
Source (APA):	State Statistics. (2017, August 8). Deficient and Obsolete Bridges (Archives, 1992-2015). https://statestatistics.org/us/stats/deficient-and-obsolete-bridges-(archives,-1992-2015).html Set APA as default format Deficient and Obsolete Bridges (Archives, 1992-2015). State Statistics. Last modified August 8, 2017. https://statestatistics.org/us/stats/deficient-and-obsolete-bridges-(archives,-1992-2015).html. Set Chicago as default format Deficient and Obsolete Bridges (Archives, 1992-2015). State Statistics, 8 Aug 2017, https://statestatistics.org/us/stats/deficient-and-obsolete-bridges-(archives,-1992-2015).html. Set MLA as default format Deficient and Obsolete Bridges (Archives, 1992-2015). State Statistics. Updated August 8, 2017. Accessed November 3, 2025. https://statestatistics.org/us/stats/deficient-and-obsolete-bridges-(archives,-1992-2015).html Set AMA as default format
Additional Background	This database provides information on the number of structurally deficient or obsolete bridges on public roads, including Interstate Highways, U.S. highways, State and county roads, andpublicly-accessible bridges on Federal lands. (NHS refers to bridges in the National Highway System.) It contains a state-by-state summary of the number, location, and general condition of highway bridges. See detailed background for more information. Categories include: Number of bridges Number of structurally deficient bridges Number of functionally obsolete bridges Number of deficiency (Total number of structurally deficient and functionally obsolete bridges) Total area (Total bridge area) Structurally deficient area (Structurally deficient weighted by deck area) Functionally obsolete area (Functionally obsolete weighted by deck area) Deficient area (Structurally plus functionally obsolete weighted by deck area).

State Statistics: A service of the State Statistics Corporation

Deficient and Obsolete Bridges (Archives, 1992-2015)

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Related Databases

Deficient area	Functionally obsolete area	Number of bridges
Number of deficiency	Number of functionally obsolete bridges	Number of structurally deficient bridges
Structurally deficient area	Total area

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Deficient and Obsolete Bridges (Archives, 1992-2015)

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