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

The National Bridge Inventory (NBI) is a collection of information (database) describing the more than 615,000 of the Nation's bridges located on public roads December 31, 2018, including Interstate Highways, U.S. highways, State and county roads, as well as publicly-accessible bridges on Federal and Tribal lands. The inventory data present a complete picture of the location, description, classification, and general condition data for each bridge. The element data present a breakdown of the condition of each structural and bridge management element for each bridge on the National Highway System (NHS).

Data e Risorse

Campo Valore
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
contact-email answers@bts.gov
coupled-resource []
dataset-reference-date [{"type": "publication", "value": "2016-01-01"}]
frequency-of-update annually
licence ["None"]
metadata-date 2016-11-08
metadata-language eng; USA
metadata_type geospatial
progress underDevelopment
resource-type dataset
responsible-party [{"name": "Office of the Assistant Secretary for Research and Technology/Bureau of Transportation Statistics", "roles": ["pointOfContact"]}, {"name": "Federal Highway Administration", "roles": ["pointOfContact"]}]
spatial {"type": "Polygon", "coordinates": [[[-174.182281, 0.0], [0.0, 0.0], [0.0, 69.150533], [-174.182281, 69.150533], [-174.182281, 0.0]]]}
spatial_harvester true
Gruppi
  • AmeriGEOSS
  • National Provider
  • North America
Tag
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • amerigeo
  • amerigeoss
  • appraisel
  • bridges
  • ckan
  • geo
  • geoss
  • inlandwaters
  • inventory
  • location
  • national
  • national-geospatial-data-asset
  • ngda
  • north-america
  • structure
  • transportation
  • transportation-theme
  • united-states
isopen False
metadata_created 2025-11-22T16:57:17.485503
metadata_modified 2025-11-22T16:57:17.485506
notes The National Bridge Inventory (NBI) is a collection of information (database) describing the more than 615,000 of the Nation's bridges located on public roads December 31, 2018, including Interstate Highways, U.S. highways, State and county roads, as well as publicly-accessible bridges on Federal and Tribal lands. The inventory data present a complete picture of the location, description, classification, and general condition data for each bridge. The element data present a breakdown of the condition of each structural and bridge management element for each bridge on the National Highway System (NHS).
num_resources 5
num_tags 25
title National Bridge Inventory - National Geospatial Data Asset (NGDA) Bridges