T-310; Rdwy Turnbk over Shermans Creek
Fair Condition96 years old442 vehicles/day
Location
| State | Pennsylvania |
| County | Perry |
| Location | Duncanon |
| Carries | T-310; Rdwy Turnbk |
| Crosses | Shermans Creek |
| Coordinates | 40.38377, -77.03094 |
Condition Ratings
| Overall Condition | Fair |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 272.0 ft (82.9 m) |
| Max Span | 86.0 ft (26.2 m) |
| Deck Width | 38.4 ft (11.7 m) |
| Deck Area | 969.9 sq m |
| Main Spans | 3 |
| Year Built | 1930 |
Traffic
| Avg Daily Traffic | 442 (2024) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000029633 |