RTE 51 over Unadilla River
Poor Condition89 years old1,531 vehicles/day
Location
| State | New York |
| County | Herkimer |
| Location | 01mi S Jct Rts 51+20 |
| Carries | RTE 51 |
| Crosses | Unadilla River |
| Coordinates | 42.88277, -75.19280 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 51.8 ft (15.8 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 42.3 ft (12.9 m) |
| Deck Area | 203.8 sq m |
| Main Spans | 1 |
| Year Built | 1937 |
Traffic
| Avg Daily Traffic | 1,531 (2020) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000001026470 |