Steam Valley Road over Allegheny River
Good Condition35 years old745 vehicles/day
Location
| State | New York |
| County | Cattaraugus |
| Location | 1.2 Mi SE Of Weston Mills |
| Carries | Steam Valley Road |
| Crosses | Allegheny River |
| Coordinates | 42.05074, -78.35715 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 328.1 ft (100 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 29.5 ft (9 m) |
| Deck Area | 900 sq m |
| Main Spans | 4 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 745 (2020) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000003323040 |