SR 255-pa 255 over Mill Run
Clearfield County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 255-pa 255 over Mill Run in Clearfield County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1996, making it 29 years old at the 2025 inventory.
- It carries about 4,712 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 114 of the 294 inventoried bridges in Clearfield County rated good (38.8%); 42 (14.3%) 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 June 2023, on a 24-month routine inspection cycle.
- 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 → (41.23042, -78.55047)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 29 ft |
| Location | Tyler |
| NBI structure number | 000000000011459 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Clearfield County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 80-i 80 over Moravian Run | 1967 | 19,286 | Fair |
| SR 879-pa 879 over Wolf Run | 1974 | 14,732 | Fair |
| SR 322- US 322 over Laurel Run | 2017 | 12,902 | Good |
| US 322 over Little Laurel Run | 2021 | 12,902 | Good |
| SR 80-i 80 over W Br Susquehanna River | 1967 | 12,800 | Good |
| SR 80-i 80 over SR 879-pa 879 | 2004 | 12,800 | Good |
All bridges nearby: Clearfield County, PA bridge conditions · every bridge in Clearfield County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.