T-431 Whitestown over Semiconon Run
Fair Condition56 years old200 vehicles/day
Location
| State | Pennsylvania |
| County | Butler |
| Location | Btw Sr0528 & Sr3029 |
| Carries | T-431 Whitestown |
| Crosses | Semiconon Run |
| Coordinates | 40.87123, -80.02351 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 38.1 ft (11.6 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 81.7 sq m |
| Main Spans | 1 |
| Year Built | 1970 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 200 (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 | 000000000008217 |