Browse Bridge Database

1,660 bridges in the FHWA National Bridge Inventory in Alaska.

National Bridge Inventory Database

Browse 1,660 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.

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BridgeLocationConditionYear BuiltLengthADT
PERM Alaska Good 1998 24.4 m
NO DATA ENTERED Alaska Good 2006 21.3 m
NO DATA ENTERED Alaska Fair 1996 12.2 m
NO DATA ENTERED Alaska Good 2005 12.2 m
NO DATA ENTERED Alaska Fair 2007 11.3 m
NO DATA ENTERED Alaska Fair 2010 12.2 m
NO DATA ENTERED Alaska Good 2010 12.2 m
NO DATA ENTERED Alaska Fair 2004 21.3 m
NO DATA ENTERED Alaska Fair 2004 17.5 m
NO DATA ENTERED Alaska Good 2010 12.2 m

Frequently Asked Questions

The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.

ADT stands for Average Daily Traffic — the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.

Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.