SR 4004 over Driftwood Br Sinnemahon
Cameron County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 4004 over Driftwood Br Sinnemahon in Cameron County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2022, making it 3 years old at the 2025 inventory.
- It carries about 29 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 26 of the 63 inventoried bridges in Cameron County rated good (41.3%); 5 (7.9%) 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 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 → (41.55449, -78.37283)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 53 ft |
| Location | Elk Creek |
| NBI structure number | 000000000068464 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 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 Cameron County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 120-pa 120 over Portage Creek | 1933 | 4,315 | Fair |
| SR 155-pa 155 over Sycamore Run | 1943 | 3,690 | Fair |
| SR 120-pa 120 over Driftwood Branch | 1930 | 3,036 | Fair |
| SR 120-pa 120 over Big Run | 1991 | 2,515 | Good |
| SR 120-pa 120 over West Creek | 1951 | 2,515 | Fair |
| Bucktail Trail Hwy over Big Run | 2017 | 2,298 | Good |
All bridges nearby: Cameron County, PA bridge conditions · every bridge in Cameron County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.