Deficient and Obsolete Bridges
Summary: Number of structurally deficient or obsolete bridges on public roads, including Interstate Highways, U.S. highways, State and county roads, andpublicly-accessible bridges on Federal lands
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Database Detail
| Name | Deficient and Obsolete Bridges |
| Summary | Number of structurally deficient or obsolete bridges on public roads, including Interstate Highways, U.S. highways, State and county roads, andpublicly-accessible bridges on Federal lands |
| Additional Background |
This database provides information on the number of structurally deficient or obsolete bridges on public roads, including Interstate Highways, U.S. highways, State and county roads, andpublicly-accessible bridges on Federal lands. (NHS refers to bridges in the National Highway System.) It contains a state-by-state summary of the number, location, and general condition of highway bridges. See detailed background for more information.
Categories include:
|
| Geographic Coverage | U.S., States |
| Periodicity | Annually |
| Series Begins/Ends | 1992 - 2015 |
| Data Source | US Department of Transportation, National Bridge Inventory |
This database provides information on the number of structurally deficient or obsolete bridges on public roads, including Interstate Highways, U.S. highways, State and county roads, andpublicly-accessible bridges on Federal lands. (NHS refers to bridges in the National Highway System.) It contains a state-by-state summary of the number, location, and general condition of highway bridges. See detailed background for more information.
Categories include:
- Number of bridges
- Number of structurally deficient bridges
- Number of functionally obsolete bridges
- Number of deficiency (Total number of structurally deficient and functionally obsolete bridges)
- Total area (Total bridge area)
- Structurally deficient area (Structurally deficient weighted by deck area)
- Functionally obsolete area (Functionally obsolete weighted by deck area)
- Deficient area (Structurally plus functionally obsolete weighted by deck area).
Geographic Coverage: U.S., States
Periodicity: Annually
Series Begins/Ends: 1992 - 2015
Data Source: US Department of Transportation, National Bridge Inventory