T-478 over Chatham Run
Fair Condition106 years old50 vehicles/day
Location
| State | Pennsylvania |
| County | Clinton |
| Location | Within Woolrich |
| Carries | T-478 |
| Crosses | Chatham Run |
| Coordinates | 41.19421, -77.37393 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 19.0 ft (5.8 m) |
| Deck Area | 49.3 sq m |
| Main Spans | 1 |
| Year Built | 1920 (reconstructed 2013) |
Traffic
| Avg Daily Traffic | 50 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000012409 |