T-536 Calico Road over Christy Run
Fair Condition87 years old100 vehicles/day
Location
| State | Pennsylvania |
| County | Butler |
| Location | Btw T503 & T535 |
| Carries | T-536 Calico Road |
| Crosses | Christy Run |
| Coordinates | 41.03868, -79.85616 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 26.9 ft (8.2 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 22.3 ft (6.8 m) |
| Deck Area | 55.8 sq m |
| Main Spans | 1 |
| Year Built | 1939 (reconstructed 1957) |
Traffic
| Avg Daily Traffic | 100 (2015) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008291 |