Derbyshire Road over Rock Run
Fair Condition55 years old800 vehicles/day
Location
| State | Pennsylvania |
| County | Bucks |
| Location | Lower Makefield 3151-g7 |
| Carries | Derbyshire Road |
| Crosses | Rock Run |
| Coordinates | 40.20981, -74.83133 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 36.4 ft (11.1 m) |
| Deck Area | 94.3 sq m |
| Main Spans | 1 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 800 (2022) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2022 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000069744 |