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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

TABLE 87a Urban Bridge Condition by Functional Class: 2001

Monday, September 10, 2012

TABLE 87a Urban Bridge Condition by Functional Class: 2001

(Percent)

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  Structurally deficient Functionally obsolete Total
Interstate 6 20 27
Other freeways or expressways 6 21 27
Other principal arterial 10 22 32
Minor arterial 11 26 37
Collector 12 25 37
Local 12 19 31

NOTES: Functionally obsolete refers to bridges that do not have the lane widths, shoulder widths, or vertical clearances adequate to serve traffic demand, or the bridge may not be able to handle occasional roadway flooding. Structurally deficient refers to bridges needing significant maintenance attention, rehabilitation, or replacement.

SOURCE: U.S. Department of Transportation, Federal Highway Administration, Office of Engineering, Bridge Division, National Bridge Inventory database, available at http://www.fhwa.dot.gov/bridge/britab.htm, as of December 2002.