Sr0422 over Mulligan Run
Fair Condition78 years old19,233 vehicles/day
Location
| State | Pennsylvania |
| County | Butler |
| Location | East Of Prospect |
| Carries | Sr0422 |
| Crosses | Mulligan Run |
| Coordinates | 40.89377, -79.99952 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Area | 106.6 sq m |
| Main Spans | 1 |
| Year Built | 1948 |
Traffic
| Avg Daily Traffic | 19,233 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007948 |