U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000


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Bridges & Structures

Archived: Deficient Bridges by Highway System

Changes to STRUCTURALLY DEFICIENT (SD): Effective with the 2018 data, the definition of this term has changed as described on https://www.fhwa.dot.gov/bridge/britab.cfm. Please refer to https://www.fhwa.dot.gov/bridge/nbi/condition.cfm for Bridge Condition by Highway System.

Archived Data. These are prior data that apply a cancelled agency policy known as the 10-year rule. When applied, the '10-year rule' excluded bridges built or reconstructed within the prior 10 years since they were not generally eligible for Highway Bridge Program funding.

Updated: 03/19/2019
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000