I-279 SB over Various City Streets
Fair Condition40 years old11,944 vehicles/day
Location
| State | Pennsylvania |
| County | Allegheny |
| Location | Fort Duquesne Bridge |
| Carries | I-279 SB |
| Crosses | Various City Streets |
| Coordinates | 40.44908, -80.00561 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 1832.0 ft (558.4 m) |
| Max Span | 90.9 ft (27.7 m) |
| Deck Width | 59.4 ft (18.1 m) |
| Deck Area | 10107.0 sq m |
| Main Spans | 1 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 11,944 (2024) |
| Truck Traffic | 5% |
| 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 | 000000000001032 |