Nfsr 135 over Big Mill Creek
Elk County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfsr 135 over Big Mill Creek in Elk County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2010, making it 15 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2010).
- It is one of 51 of the 126 inventoried bridges in Elk County rated good (40.5%); 13 (10.3%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- It was rated fair in the 2024 inventory and is now good (substructure 6 to 7).
- Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (41.4684, -78.8511)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 7 | Good condition |
Bridge details
| Structure | Steel through truss |
| Length | about 69 ft |
| Location | at Intersection Nfsr 143 |
| NBI structure number | 091904000032366 |
| Condition class | Good |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Elk County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 120-pa 120 over Elk Creek | 1957 | 11,563 | Fair |
| SR 120-pa 120 over Elk Creek | 1935 | 8,644 | Fair |
| Bucktail Trail Hwy over UNT to Elk Creek | 2017 | 7,214 | Good |
| SR 948-pa 948 over Clarion River | 1975 | 6,743 | Fair |
| SR 219-us 219 over Johnson Run | 1965 | 6,582 | Fair |
| SR 219 US 219 over Clarion River/ B & P RR | 2007 | 5,825 | Good |
All bridges nearby: Elk County, PA bridge conditions · every bridge in Elk County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.