Highway Bridge Program: Clearer Goals and Performance Measures Needed for a More Focused and Sustainable Program Page: 4 of 58
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Figure 4: Trends in Numbers of Bridges and Deficient Bridges, 1998
through 2007 26
Figure 5: Number of Structurally Deficient and Functionally
Obsolete Bridges, 1998 through 2007 28
Figure 6: Number of Deficient Bridges, by Bridge Owner, 1998
through 2007 29
Figure 7: Number of Deficient Bridges, by Rural and Urban
Classification, 1998 through 2007 30
Figure 8: Application of Key Principles to the HBP 34
Figure 9: Bridge Inventory Count, Deck Area, and ADT, by Owner,
Figure 10: Bridge Inventory Count, Deck Area, and ADT, by NHS
Classification, 2007 48
Figure 11: Number of Bridges, by Year Built, 2007 48
Figure 12: Deck Area of Bridges, by Year Built, 2007 49
Figure 13: Range of Sufficiency Ratings, by Bridge Age, 2007 50
Figure 14: Bridge Deficiency Status, by Year Built or
Reconstructed, 2007 51
GAO-08-1043 Highway Bridge Program
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United States. Government Accountability Office. Highway Bridge Program: Clearer Goals and Performance Measures Needed for a More Focused and Sustainable Program, report, September 10, 2008; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc295800/m1/4/: accessed April 26, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.