How many bridges are there in the United States?
USA hard Data from 2023
Guess before you scroll — the answer is below
The answer
620,000 bridges
Roughly 620K.
The National Bridge Inventory lists about 620,000 bridges. Roughly 42,000 of them are rated in poor condition, and the average American bridge is over 44 years old — most were designed for a 50-year service life.
Where this number comes from
| Source | U.S. Federal Highway Administration, National Bridge Inventory |
|---|---|
| Figure refers to | 2023 |
| Last checked | |
| Unit | bridges |
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