T-684 over Plum Creek
Fair Condition37 years old100 vehicles/day
Location
| State | Pennsylvania |
| County | Northumberland |
| Location | 1.5 Mi NW Of Seven Points |
| Carries | T-684 |
| Crosses | Plum Creek |
| Coordinates | 40.83889, -76.72779 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 41.0 ft (12.5 m) |
| Max Span | 38.1 ft (11.6 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 107.5 sq m |
| Main Spans | 1 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 100 (2018) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000029360 |