SR 405 over Chillisquaque Creek
Good Condition52 years old6,926 vehicles/day
Location
| State | Pennsylvania |
| County | Northumberland |
| Location | 3.5 Mi S Of Montandon |
| Carries | SR 405 |
| Crosses | Chillisquaque Creek |
| Coordinates | 40.94067, -76.85484 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 155.8 ft (47.5 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 52.2 ft (15.9 m) |
| Deck Area | 755.2 sq m |
| Main Spans | 2 |
| Year Built | 1974 (reconstructed 2013) |
Traffic
| Avg Daily Traffic | 6,926 (2024) |
| Truck Traffic | 10% |
| 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 | 000000000029100 |