SR 646-pa 646 over Pennbrook Run
Poor Condition96 years old1,044 vehicles/day
Location
| State | Pennsylvania |
| County | McKean |
| Location | 1 Mi N Gilmore |
| Carries | SR 646-pa 646 |
| Crosses | Pennbrook Run |
| Coordinates | 41.98204, -78.55044 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 91.9 sq m |
| Main Spans | 1 |
| Year Built | 1930 |
Traffic
| Avg Daily Traffic | 1,044 (2024) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000025460 |