Bridge Safety Facts and Statistics

Key statistics from the National Bridge Inventory — how many bridges are structurally deficient, average age, and what it means for public safety.

This page provides an overview and context for understanding the data presented on this portal. For detailed how-to guidance, see our editorial guides.

All data is sourced from official government agencies and processed through our ETL pipeline for accuracy and searchability. For full source documentation, see our about page and methodology page.