TABLE 87b Urban Bridge Condition by Functional Class: 2001

TABLE 87b Urban Bridge Condition by Functional Class: 2001

Number

Excel | CSV

  Structurally deficient Functionally obsolete Total
Interstate 1,760 5,675 27,875
Other freeways or expressways 985 3,368 16,112
Other principal arterial 2,415 5,514 24,804
Minor arterial 2,500 6,064 23,158
Collector 1,831 3,836 15,407
Local 3,214 4,926 26,045

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.