Sr4008 over Slippery Rock Creek
Fair Condition64 years old659 vehicles/day
Location
| State | Pennsylvania |
| County | Butler |
| Location | West Liberty No.2 |
| Carries | Sr4008 |
| Crosses | Slippery Rock Creek |
| Coordinates | 41.01843, -80.04573 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 106.0 ft (32.3 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 326.2 sq m |
| Main Spans | 2 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 659 (2024) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008129 |