1-2 Condition of U.S. Highway Bridges: 1990-2007

1-2 Condition of U.S. Highway Bridges: 1990-2007

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Mode 1990 2000 2006 2007
Total all bridges 572,205 589,674 597,340 599,893
Urban 108,770 133,384 146,041 151,102
Rural 463,435 456,290 451,299 448,791
Structurally deficient bridges, total 137,865 86,692 73,784 72,264
Urban 16,847 U 12,585 12,882
Rural 121,018 U 61,199 59,382
Functionally obsolete bridges, total 100,355 81,510 80,317 81,257
Urban 30,266 29,398 32,292 33,096
Rural 70,089 52,112 48,025 48,161

Key: U = unavailable.

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; the following is a link to Chapter 3 of the report: http://www.fhwa.dot.gov/policy/2006cpr/pdfs/chap3.pdf.

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 August of that year.

Source: 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 2007.