US 522 over Potomac Riv CSX Trans.
Washington County, Maryland · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 522 over Potomac Riv CSX Trans. in Washington County, Maryland, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1937, making it 88 years old at the 2025 inventory.
- It carries about 10,550 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (40.15236, -78.31671)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 4 | Poor condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Continuous steel deck truss |
| Length | about 2,577 ft |
| Location | On West Virginia line |
| NBI structure number | 100000210043010 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maryland department of transportation.
All bridges nearby: Washington County, MD bridge conditions · Maryland bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.