Category: Transportation

National Bridge Inventory (NBI)

U.S. Federal Highway Administration

Commercial
Yes
Format
CSV
Coverage
United States, ~620,000 bridges
Projection
EPSG:4326 · WGS 84
Last updated
11 Aug 2025 · Update frequency Annual

FHWA took Coding Guide ASCII files through 2025, after specifications moved to SNBI in 2022.

Preview map of National Bridge Inventory (NBI)
Data: U.S. Federal Highway Administration · Basemap: Natural Earth

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Source and attribution

Publisher
U.S. Federal Highway Administration
License
Public domain
Commercial use
Yes
Attribution required
No
Modification allowed
See publisher
Redistribution allowed
See publisher
Share-alike
No
U.S. Government work; public domain
Type
Vector
Extent
-179.217.6-64.571.4West, south, east, north. Approximate region extent.

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