SR 518 Walnut ST over Pine Hollow Run
Good Condition20 years old7,823 vehicles/day
Location
| State | Pennsylvania |
| County | Mercer |
| Location | City Of Hermitage |
| Carries | SR 518 Walnut ST |
| Crosses | Pine Hollow Run |
| Coordinates | 41.25778, -80.45690 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 369.1 ft (112.5 m) |
| Max Span | 130.9 ft (39.9 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 1473.8 sq m |
| Main Spans | 3 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 7,823 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000042875 |