SR8 SB R Frame Hwy over over Pa 308
Venango County, Pennsylvania · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR8 SB R Frame Hwy over over Pa 308 in Venango County, Pennsylvania, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 3,106 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 92 of the 189 inventoried bridges in Venango County rated fair (48.7%); 27 (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 May 2024, 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 → (41.26695, -79.92471)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 163 ft |
| Location | Irwin Township |
| NBI structure number | 000000000033648 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Venango County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 80 EB & WB over Scrubgrass Creek Trib. | 1965 | 22,605 | Fair |
| SR 80 Eb/wb over over S F Lt Scrubgrass C | 1966 | 22,181 | Fair |
| SR 80 Eb/wb over over Lt Scrubgrass Ck | 1966 | 22,181 | Fair |
| State Street over Allegh.river Wny&pa RR | 1990 | 13,560 | Fair |
| SR 80 WB over SR 38 | 1965 | 11,995 | Fair |
| SR 62 Washington X over over Wnyp RR & French Ck | 1951 | 11,341 | Fair |
All bridges nearby: Venango County, PA bridge conditions · every bridge in Venango County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.