Pearce Mill RD over Irwin Run
Fair Condition90 years old3,569 vehicles/day
Location
| State | Pennsylvania |
| County | Allegheny |
| Location | Iw01 Irwin Run No. 1 |
| Carries | Pearce Mill RD |
| Crosses | Irwin Run |
| Coordinates | 40.59759, -79.99785 |
Condition Ratings
| Overall Condition | Fair |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 23.0 ft (7 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 50.2 ft (15.3 m) |
| Deck Area | 107.1 sq m |
| Main Spans | 1 |
| Year Built | 1936 |
Traffic
| Avg Daily Traffic | 3,569 (2005) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002162 |