T-666 Barks Hill over South Branch Plum Creek
Fair Condition25 years old140 vehicles/day
Location
| State | Pennsylvania |
| County | Armstrong |
| Location | 1500 Feet S. Of SR 4009 |
| Carries | T-666 Barks Hill |
| Crosses | South Branch Plum Creek |
| Coordinates | 40.72413, -79.27556 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 83.0 ft (25.3 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 220.1 sq m |
| Main Spans | 1 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 140 (2019) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000041336 |