Herrs Island RD over Allegheny River
Fair Condition40 years old800 vehicles/day
Location
| State | Pennsylvania |
| County | Allegheny |
| Location | 041 30th ST Bridge (herrs |
| Carries | Herrs Island RD |
| Crosses | Allegheny River |
| Coordinates | 40.46397, -79.97911 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 282.2 ft (86 m) |
| Max Span | 176.8 ft (53.9 m) |
| Deck Width | 38.1 ft (11.6 m) |
| Deck Area | 997.6 sq m |
| Main Spans | 1 |
| Year Built | 1986 (reconstructed 2022) |
Traffic
| Avg Daily Traffic | 800 (2004) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2022 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002417 |