RTE 345 over Grasse River
Good Condition144 years old3,405 vehicles/day
Location
| State | New York |
| County | St. Lawrence |
| Location | 0.2 Mi NW Of 345 310 Int. |
| Carries | RTE 345 |
| Crosses | Grasse River |
| Coordinates | 44.74688, -75.13040 |
Condition Ratings
| Overall Condition | Good |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Masonry |
| Design | Arch - Deck |
| Total Length | 402.9 ft (122.8 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 1043.8 sq m |
| Main Spans | 9 |
| Year Built | 1882 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 3,405 (2020) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000000001027310 |