South Main ST over Saw Mill Run
Fair Condition126 years old7,600 vehicles/day
Location
| State | Pennsylvania |
| County | Allegheny |
| Location | 1200 SW Of W End Circle |
| Carries | South Main ST |
| Crosses | Saw Mill Run |
| Coordinates | 40.44209, -80.03162 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 62.0 ft (18.9 m) |
| Max Span | 58.1 ft (17.7 m) |
| Deck Width | 59.1 ft (18 m) |
| Deck Area | 340.2 sq m |
| Main Spans | 1 |
| Year Built | 1900 (reconstructed 2007) |
Traffic
| Avg Daily Traffic | 7,600 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 622 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000000765 |