U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Conditions and Performance
Status
of the Nation's Highways, Bridges, and Transit:
2002 Conditions and Performance Report
|
Exhibit 23-9:
Age Composition of Urban Interstate Bridges
Exhibit 23-9 is a pie chart that shows the age composition of urban interstate bridges. 48.2 percent were built between 1961 and 1970, 30.6 between 1971 and 2000, 17.8 between 1951 and 1960, and 3.3 before 1950.
Source: National Bridge Inventory.
Back
to Chapter 23
Return to top
Page last modified on November 7, 2014
