Status
of the Nation's Highways, Bridges, and Transit:
2002 Conditions and Performance Report
Exhibit 11-36:
Percent Deficient - Timber Superstructure Bridges
Exhibit 11-36 has three pie charts that show the percentages of deficient timber superstructure bridges. In the first one, by number of bridges, 48.32 percent are non-deficient, 12.95 are functionally obsolete, and 38.74 are structurally deficient. In the second, by traffic carried, 41.91 percent are non-deficient, 23.74 are functionally obsolete, and 34.35 are structurally deficient. And in the third chart, by deck area, 50.26 percent are non-deficient, 12.13 are functionally obsolete, and 37.61 are structurally deficient.
Source: National Bridge Inventory.
