Sr2059(w.rock Rd.) over I-78 & Pa 309
Fair Condition38 years old5,666 vehicles/day
Location
| State | Pennsylvania |
| County | Lehigh |
| Location | Summit Lawn Exit #59(19) |
| Carries | Sr2059(w.rock Rd.) |
| Crosses | I-78 & Pa 309 |
| Coordinates | 40.56022, -75.45026 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 294.0 ft (89.6 m) |
| Max Span | 160.1 ft (48.8 m) |
| Deck Width | 47.6 ft (14.5 m) |
| Deck Area | 1299.2 sq m |
| Main Spans | 2 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 5,666 (2024) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 7 |
Inspection & Ownership
| Last Inspection | October 2022 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000023070 |