T-771 Mcwilliams over Pine Run
Fair Condition67 years old50 vehicles/day
Location
| State | Pennsylvania |
| County | Armstrong |
| Location | 420 W Of Sr-839 |
| Carries | T-771 Mcwilliams |
| Crosses | Pine Run |
| Coordinates | 40.96314, -79.25309 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 74.1 ft (22.6 m) |
| Max Span | 67.9 ft (20.7 m) |
| Deck Width | 15.1 ft (4.6 m) |
| Deck Area | 104.0 sq m |
| Main Spans | 1 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 50 (2021) |
| Truck Traffic | 9% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000003402 |