T512 Irish Flats L over Little Juniata River
Blair County, Pennsylvania · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T512 Irish Flats L over Little Juniata River in Blair County, Pennsylvania, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1898 and reconstructed in 2020, making it 127 years old at the 2025 inventory.
- It carries about 27 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 39 of the 338 inventoried bridges in Blair County rated poor (11.5%); 39 (11.5%) 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 → (40.6491, -78.19898)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 3 | Serious condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Aluminum or iron through truss |
| Length | about 145 ft |
| Location | .2 Mi.nw.of Birmingham |
| NBI structure number | 000000000005962 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Blair County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 4010 (17TH St) over Brush Run | 1985 | 25,718 | Good |
| SR 4010 (17TH St) over I-99 / US 220 | 1992 | 25,718 | Good |
| SR 4010 over SR 4009_NORFOLK So. RR | 1973 | 19,273 | Fair |
| Pa 36/ Pa 164 over Everett Railroad | 1951 | 18,566 | Fair |
| Pa 36 over Halter Creek | 1997 | 17,622 | Fair |
| Pa 36/ Pa 164 over Halter Creek | 1951 | 17,622 | Fair |
All bridges nearby: Blair County, PA bridge conditions · every bridge in Blair County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.