St.marys Avenue over Walnut Run
Cambria County, Pennsylvania · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- St.marys Avenue over Walnut Run in Cambria County, Pennsylvania, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1915 and reconstructed in 2012, making it 110 years old at the 2025 inventory.
- It carries about 307 vehicles a day (traffic count year 2024).
- Its listed owner is a city or municipal highway agency.
- It is one of 18 of the 285 inventoried bridges in Cambria County rated poor (6.3%); 18 (6.3%) are rated poor.
- 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 → (40.66092, -78.78043)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 4 | Poor condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 23 ft |
| Location | St Marys Ave N Cambr Boro |
| NBI structure number | 000000000008784 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Cambria County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 22 over Howells Run | 1960 | 25,840 | Fair |
| US 219 over Pa 756 (elton Road) | 1964 | 25,839 | Fair |
| US 22 over SR 2014 | 1981 | 23,265 | Fair |
| Pa 56 over Solomon Run | 1964 | 22,650 | Good |
| Pa 56 over Widman Street (T693) | 1964 | 22,584 | Fair |
| US 22 over Stewarts Run | 1960 | 22,132 | Good |
All bridges nearby: Cambria County, PA bridge conditions · every bridge in Cambria County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.