TABLE 2-6a Rural Bridge Condition by Functional Class: 2003

TABLE 2-6a Rural Bridge Condition by Functional Class: 2003

Percent

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  Structurally deficient Functionally obsolete
Interstates 4.2 11.6
Other principal arterials 5.4 9.2
Minor arterials 8.4 11.0
Major collectors 11.8 10.6
Minor collectors 13.7 11.3
Local roads 20.6 11.8

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

SOURCE: U.S. Department of Transportation, Federal Highway Administration, Office of Engineering, Bridge Division, National Bridge Inventory Database, CD-ROM, January 2005.