I-99 And SR 8005 over Sr453 & 1012 Rr J. Riv
Fair Condition51 years old10,598 vehicles/day
Location
| State | Pennsylvania |
| County | Blair |
| Location | Tyrone Viaduct |
| Carries | I-99 And SR 8005 |
| Crosses | Sr453 & 1012 Rr J. Riv |
| Coordinates | 40.66943, -78.23648 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 1379.9 ft (420.6 m) |
| Max Span | 170.9 ft (52.1 m) |
| Deck Width | 82.0 ft (25 m) |
| Deck Area | 10,515 sq m |
| Main Spans | 12 |
| Year Built | 1975 (reconstructed 2018) |
Traffic
| Avg Daily Traffic | 10,598 (2024) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 7 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005611 |