Tri Boro Expy over Thompson Run
Fair Condition61 years old10,576 vehicles/day
Location
| State | Pennsylvania |
| County | Allegheny |
| Location | Turtle Creek |
| Carries | Tri Boro Expy |
| Crosses | Thompson Run |
| Coordinates | 40.40632, -79.82656 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 65.0 ft (19.8 m) |
| Max Span | 63.0 ft (19.2 m) |
| Deck Width | 84.0 ft (25.6 m) |
| Deck Area | 506.9 sq m |
| Main Spans | 1 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 10,576 (2024) |
| Truck Traffic | 6% |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | December 2022 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000000938 |