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    • National Bridge Inventory

    Metadata Updated: August 18, 2025

    The National Bridge Inventory dataset is as of June 20, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). The data describes more than 624,000 of the Nation's bridges located on public roads, including Interstate Highways, U.S. highways, State and local roads, as well as publicly-accessible bridges on Federal and Tribal lands. The inventory data presented includes information on the ___location, description, classification, and general condition for each bridge. The Recording and Coding Guide for the Structure Inventory and Appraisal of the Nation's Bridges (Coding Guide) contains a detailed description of each data element including coding instructions and attribute definitions. The Coding Guide is available at: https://doi.org/10.21949/1519105. For additional questions regarding regulations for the National Bridge Inventory or the Coding Guide please contact the National Bridge and Tunnel Inventory team at NBTIS_Support@dot.gov. For questions on the geospatial component of the dataset, contact the NTAD team at NTAD@dot.gov. A data dictionary, or other source of attribute information, is accessible at https://doi.org/10.21949/1519105

    Access & Use Information

    Public: This dataset is intended for public access and use. License: us-pd

    Downloads & Resources

    Dates

    Metadata Created Date June 30, 2025
    Metadata Updated Date August 18, 2025

    Metadata Source

    Harvested from NGDA data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date June 30, 2025
    Metadata Updated Date August 18, 2025
    Publisher Federal Highway Administration (FHWA)
    Maintainer
    Identifier https://www.arcgis.com/home/item.html?id=bd1b6ee967134ea68fac351cef461b5e&sublayer=0
    Data First Published 2024-07-09T15:12:46.000Z
    Data Last Modified 2025-08-11T22:25:05.167Z
    Category geospatial
    Public Access Level public
    Bureau Code 010:25
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 31538a1f-4d19-46c2-8d2a-e714b7aa02b7
    Harvest Source Id ec664cdf-15b6-4bb8-a524-640908ce4b82
    Harvest Source Title NGDA data.json
    Homepage URL https://ngda-transportation-geoplatform.hub.arcgis.com/datasets/usdot::national-bridge-inventory
    License http://www.usa.gov/publicdomain/label/1.0/
    Metadata Type geospatial
    Old Spatial -174.1823,0.0000,0.0000,70.2165
    Program Code 015:001
    Source Datajson Identifier True
    Source Hash b0db8c63b077de2f1ad118fa2e273a757367a3e9dda798bae5703c6ac076f35f
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -174.1823, 0.0000, -174.1823, 70.2165, 0.0000, 70.2165, 0.0000, 0.0000, -174.1823, 0.0000}

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