County Road 18 over Unadilla River
Good Condition92 years old554 vehicles/day
Location
| State | New York |
| County | Otsego |
| Location | 0.2m W Int RTE 18 & 18a |
| Carries | County Road 18 |
| Crosses | Unadilla River |
| Coordinates | 42.84292, -75.24081 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 66.9 ft (20.4 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 191.8 sq m |
| Main Spans | 1 |
| Year Built | 1934 (reconstructed 1993) |
Traffic
| Avg Daily Traffic | 554 (2019) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000003354050 |