T-455 Red Rock Rd over Doe Run
Juniata County, Pennsylvania · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T-455 Red Rock Rd over Doe Run in Juniata County, Pennsylvania, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1955 and reconstructed in 2013, making it 70 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2014).
- Its listed owner is a town or township highway agency.
- It is one of 95 of the 169 inventoried bridges in Juniata County rated fair (56.2%); 22 (13.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (40.56792, -77.30855)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 36 ft |
| Location | 600 Ft North of SR 2005 |
| NBI structure number | 000000000020355 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Juniata County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 22-us 22 over Horning Run | 1972 | 19,284 | Good |
| SR-22 over Macedonia Run | 2006 | 11,376 | Good |
| SR 22-us 22 over Macedonia Run | 2006 | 10,844 | Good |
| SR 22-us 22 over Township Road 466 | 1972 | 10,451 | Fair |
| SR 22-us 22 over Township Road 554 | 1972 | 10,451 | Fair |
| SR 22-us 22 over Township Road | 1973 | 9,973 | Fair |
All bridges nearby: Juniata County, PA bridge conditions · every bridge in Juniata County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.