T-601 Ralston RD over Slippery Rock Creek
Fair Condition34 years old500 vehicles/day
Location
| State | Pennsylvania |
| County | Butler |
| Location | 0.2 Mi NW Of SR 008 |
| Carries | T-601 Ralston RD |
| Crosses | Slippery Rock Creek |
| Coordinates | 41.03542, -80.01077 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 157.2 ft (47.9 m) |
| Max Span | 78.1 ft (23.8 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 479 sq m |
| Main Spans | 2 |
| Year Built | 1992 |
Traffic
| Avg Daily Traffic | 500 (2015) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008284 |