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1-2
Condition of U.S. Highway Bridges: 1990–2007
Excel | CSV
| Total all bridges |
572,205 |
589,674 |
597,340 |
599,766 |
| Urban |
108,770 |
133,384 |
146,041 |
151,171 |
| Rural |
463,435 |
456,290 |
451,299 |
448,595 |
| Structurally
deficient bridges, total |
137,865 |
86,678 |
73,784 |
72,520 |
| Urban |
16,847 |
13,079 |
12,585 |
12,951 |
| Rural |
121,018 |
73,599 |
61,199 |
59,569 |
| Functionally
obsolete bridges, total |
100,355 |
81,510 |
80,317 |
79,804 |
| Urban |
30,266 |
29,398 |
32,292 |
33,139 |
| Rural |
70,089 |
52,112 |
48,025 |
46,665 |
Key: R = revised.
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 as of November 2008.U.S. totals include the 50 states, the District of Columbia, and Puerto Rico. Data include: 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 are as of December of that year; data for 2000 are as of August of that year; data for 2006 are as of July of that year; data for 2007 are as of December of that year.
Sources: Federal Highway Administration, Office of Bridge Technology, National Bridge Inventory Database, Count of Bridges by Highway System, available at http://www.fhwa.dot.gov/bridge/britab.htm, as of March 2008
as reported 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 as of November 2008.
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