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Condition of U.S. Highway Bridges
Explanations for the terms Good, Fair, and Poor can be found at .
U.S. totals include the 50 states, the District of Columbia and Puerto Rico for 2012-2017. For 2018, U.S. totals include the 50 states, the District of Columbia, Guam and Puerto Rico.
Table includes: Rural–Interstate, principal arterial, minor arterial, major collector, minor collector and local roads; Urban–Interstate, other freeways or expressways, other principal arterial, minor arterial, collector, and local roads.
This table is not comparable to previous editions before 2017 due to new category ratings and methodology.
Subcategories may not add to total due to source not coding some bridges as Urban or Rural.
U.S. Department of Transportation, Federal Highway Administration, Office of Bridge Technology, National Bridge Inventory (NBI), Bridge Condition by Highway System, available at as of May 15, 2019.
Urban and rural:
2012-16: Ibid, Personal Comunication as of May 15, 2019.
2017-18: Ibid, Count of Bridges by Functional Classification, available at as of May 15, 2019.