T-880 Donegal Lake over Four Mile Run
Poor Condition106 years old150 vehicles/day
Location
| State | Pennsylvania |
| County | Westmoreland |
| Location | 1/4 Mi NW Of SR 711 |
| Carries | T-880 Donegal Lake |
| Crosses | Four Mile Run |
| Coordinates | 40.12937, -79.36926 |
Condition Ratings
| Overall Condition | Poor |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 19.0 ft (5.8 m) |
| Deck Area | 42.3 sq m |
| Main Spans | 1 |
| Year Built | 1920 |
Traffic
| Avg Daily Traffic | 150 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000036896 |