Ninth Street Br over Allegh Riv 10 ST By-pass
Fair Condition100 years old22,462 vehicles/day
Location
| State | Pennsylvania |
| County | Allegheny |
| Location | Al04 9th ST Bridge |
| Carries | Ninth Street Br |
| Crosses | Allegh Riv 10 ST By-pass |
| Coordinates | 40.44660, -79.99970 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Suspension |
| Total Length | 995.1 ft (303.3 m) |
| Max Span | 430.1 ft (131.1 m) |
| Deck Width | 38.1 ft (11.6 m) |
| Deck Area | 3518.3 sq m |
| Main Spans | 3 |
| Year Built | 1926 (reconstructed 2020) |
Traffic
| Avg Daily Traffic | 22,462 (2005) |
| Truck Traffic | 5% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000000000002383 |