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Conditions and Performance


Status of the Nation's Highways, Bridges, and Transit:
2002 Conditions and Performance Report

Exhibit 3-36:

Deficient Bridge Deck Area by Functional Area, 2000

Exhibit 3-36

Exhibit 3-36 includes a bar graph that shows percentages of deficient bridge deck areas by functional area in 2000. The vertical axis has bars for 13 types of functional systems, and the horizontal bar measures percentages from 0 to 50 in increments of 10 percent. 15 percent of rural interstate bridge decks were functionally obsolete, and 4 percent were structurally deficient. 32 percent of urban interstate bridge decks were functionally obsolete, and 9 percent were structurally deficient. 29 percent of other urban freeway and expressway bridge decks were functionally obsolete, and 8 percent were structurally deficient. 17 percent of other rural principal arterial bridge decks were functionally obsolete, and 6 percent were structurally deficient. 37 percent of other urban principal arterial bridge decks were functionally obsolete, and 13 percent were structurally deficient. 23 percent of rural minor arterial bridge decks were functionally obsolete, and 10 percent were structurally deficient. 37 percent of urban minor arterial bridge decks were functionally obsolete, and 12 percent were structurally deficient. 23 percent of rural major collector bridge decks were functionally obsolete, and 12 percent were structurally deficient. 22 percent of rural minor collector bridge decks were functionally obsolete, and 12 percent were structurally deficient. 40 percent of urban collector bridge decks were functionally obsolete, and 13 percent were structurally deficient. 29 percent of rural local bridge decks were functionally obsolete, and 15 percent were structurally deficient. 37 percent of urban local bridge decks were functionally obsolete, and 11 percent were structurally deficient. And an average of 28 percent of all rural and urban bridge decks were functionally obsolete, and 10 percent were structurally deficient.

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