SR 4013 over Spring Run
Blair County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 4013 over Spring Run in Blair County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2003, making it 22 years old at the 2025 inventory.
- It carries about 7,930 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 123 of the 338 inventoried bridges in Blair County rated good (36.4%); 39 (11.5%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (40.53244, -78.3864)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 33 ft |
| Location | Altoona Juniata |
| NBI structure number | 000000000042004 |
| Condition class | Good |
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.