National Bridge Inventory - National Geospatial Data Asset (NGDA) Bridges

Metadata Updated: August 17, 2017

The NBI (NTAD) is a collection of information (database) describing the more than 610,000 of the Nation's bridges located on public roads, including Interstate Highways, U.S. highways, State and county roads, as well as publicly-accessible bridges on Federal lands. It presents a State by State summary analysis of the number, location, and general condition of highway bridges within each State. Please note: 11,168 records in this database were geocoded to latitude and logtitude of 0,0 due to lack of location information or errors in the reported locations.

Access & Use Information

Downloads & Resources

Dates

Metadata Date November 8, 2016
Metadata Created Date April 11, 2017
Metadata Updated Date August 17, 2017
Reference Date(s) January 1, 2016 (publication)
Frequency Of Update annually

Additional Metadata

Resource Type Dataset
Metadata Date November 8, 2016
Metadata Created Date April 11, 2017
Metadata Updated Date August 17, 2017
Reference Date(s) January 1, 2016 (publication)
Responsible Party Office of the Assistant Secretary for Research and Technology/Bureau of Transportation Statistics (Point of Contact); Federal Highway Administration (Point of Contact)
Contact Email
Access Constraints Use Constraints: The NBI database, or any portion thereof, can be freely distributed as long as this metadata entry is included with each distribution. The original metadata entry cannot be modified or deleted from any data transfer., Access Constraints: None
Bbox East Long 0.000000
Bbox North Lat 69.150533
Bbox South Lat 0.000000
Bbox West Long -174.182281
Coupled Resource
Frequency Of Update annually
Guid
Harvest Object Id 771a1fe6-568f-429e-8b11-23bf507e85e4
Harvest Source Id cb3fd614-b933-4b6c-a804-65b87601cc3f
Harvest Source Title National Transportation Atlas Database (NTAD) Metadata
Licence None
Metadata Language
Metadata Type geospatial
Progress underDevelopment
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True

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