I-279 NB over Various City Streets
Fair Condition40 years old10,891 vehicles/day
Location
| State | Pennsylvania |
| County | Allegheny |
| Location | Fort Duquesne Bridge |
| Carries | I-279 NB |
| Crosses | Various City Streets |
| Coordinates | 40.46667, -80.01667 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Box Beam - Multiple |
| Total Length | 2233.9 ft (680.9 m) |
| Max Span | 117.1 ft (35.7 m) |
| Deck Width | 43.6 ft (13.3 m) |
| Deck Area | 9056.0 sq m |
| Main Spans | 3 |
| Year Built | 1986 (reconstructed 2018) |
Traffic
| Avg Daily Traffic | 10,891 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 12 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000001030 |