References

  1. Wardhana, Kumalasari and Hadipriono, Fabian C. Analysis of Recent Bridge Failures in the United States” Journal of Performance of Constructed Facilities, August 2003.

  2. FHWA Resource Center Structures team, accessed at http://www.fhwa.dot.gov/resourcecenter/teams/structures/str_8sda.cfm on June 25, 2008.

  3. Based on review of 20 years of reports on the NTSB webpage, http://www.ntsb.gov/Publictn/H_Acc.htm, accessed June 8, 2008.

  4. Hooks, John. M. Holding it Together: FHWA Bridge Plan Part I. Roads & Bridges, June 2003, Volume 41, Number 6.

  5. Bureau of Transportation Statistics, U.S. Highway Vehicle Miles Traveled. At BTS website http://www.bts.gov/publications/white_house_economic_statistics_
    briefing_room/ october_2005/html/highway_vehicle_miles_traveled.html    , accessed on June 8, 2008.

  6. U.S. DOT, Bureau of Transportation Statistics. Freight in America, January 2006, page 2.

  7. AASHTO. America’s Freight Challenge. American Association of State Highway and Transportation Officials, Washington, DC, May 2007, page 13.

  8. TABLE 1-33: Roadway Vehicle-Miles Traveled (VMT) and VMT per Lane-Mile by Functional Class, Federal Highway Administration, accessed at http://www.bts.gov/publications/national_transportation_statistics/html/
    table_01_33.html    , June 8, 2008

  9. Federal Highway Administration. Deficient Bridges By State and Highway System, accessed at http://www.fhwa.dot.gov/BRIDGE/britab.htm June 8, 2008.

  10. FHWA. 2006. Conditions and Performance Report. Chapter 11, accessed at http://www.fhwa.dot.gov/policy/2006cpr/es11.htm.