Fort Duq Br (low) over Ft Duq Brdg NB Allegh R
Fair Condition67 years old20,246 vehicles/day
Location
| State | Pennsylvania |
| County | Allegheny |
| Location | Fort Duquesne Bridge |
| Carries | Fort Duq Br (low) |
| Crosses | Ft Duq Brdg NB Allegh R |
| Coordinates | 40.44417, -80.00913 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Arch - Thru |
| Total Length | 920.9 ft (280.7 m) |
| Max Span | 422.9 ft (128.9 m) |
| Deck Width | 57.1 ft (17.4 m) |
| Deck Area | 4884.2 sq m |
| Main Spans | 1 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 20,246 (2024) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000043172 |