SR 666 D Zeis HWY over Porcupine Run
Good Condition11 years old139 vehicles/day
Location
| State | Pennsylvania |
| County | Forest |
| Location | Howe Township |
| Carries | SR 666 D Zeis HWY |
| Crosses | Porcupine Run |
| Coordinates | 41.61268, -79.16492 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 53.1 ft (16.2 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 136.1 sq m |
| Main Spans | 1 |
| Year Built | 2015 |
Traffic
| Avg Daily Traffic | 139 (2023) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000052430 |