What It Means
The National Bridge Inventory is a comprehensive database maintained by the Federal Highway Administration (FHWA) containing data on over 624,000 bridges on public roads. States are required to inspect each bridge at least every 24 months and submit results to the NBI. The database includes location, structural data, condition ratings, traffic data, and ownership information. NBI data is publicly available and updated annually.
Frequently Asked Questions
What does "National Bridge Inventory (NBI)" mean?
The federal database of all bridges on public roads in the United States, maintained by FHWA.
Why does National Bridge Inventory (NBI) matter for bridge safety?
The National Bridge Inventory is a comprehensive database maintained by the Federal Highway Administration (FHWA) containing data on over 624,000 bridges on public roads. States are required to inspect each bridge at least every 24 months and submit results to the NBI. The database includes location...