S.r. 642 over Over S.r. 147
Good Condition56 years old6,829 vehicles/day
Location
| State | Pennsylvania |
| County | Northumberland |
| Location | 1 Mi E Of Milton |
| Carries | S.r. 642 |
| Crosses | Over S.r. 147 |
| Coordinates | 41.00803, -76.83029 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 247.0 ft (75.3 m) |
| Max Span | 79.1 ft (24.1 m) |
| Deck Width | 47.9 ft (14.6 m) |
| Deck Area | 1099.4 sq m |
| Main Spans | 4 |
| Year Built | 1970 (reconstructed 2004) |
Traffic
| Avg Daily Traffic | 6,829 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000029117 |