SR 0030 over Tinkers Rn Co RD Abnd Rr
Fair Condition87 years old27,533 vehicles/day
Location
| State | Pennsylvania |
| County | Westmoreland |
| Location | Irwin Viaduct |
| Carries | SR 0030 |
| Crosses | Tinkers Rn Co RD Abnd Rr |
| Coordinates | 40.32650, -79.71195 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 524.0 ft (159.7 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 52.5 ft (16 m) |
| Deck Area | 2555.2 sq m |
| Main Spans | 8 |
| Year Built | 1939 (reconstructed 1984) |
Traffic
| Avg Daily Traffic | 27,533 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000000000035920 |