County Road 39 over Grass River
Good Condition16 years old686 vehicles/day
Location
| State | New York |
| County | St. Lawrence |
| Location | At Louisville |
| Carries | County Road 39 |
| Crosses | Grass River |
| Coordinates | 44.89862, -75.01678 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 388.1 ft (118.3 m) |
| Max Span | 153.9 ft (46.9 m) |
| Deck Width | 38.1 ft (11.6 m) |
| Deck Area | 1372.3 sq m |
| Main Spans | 3 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 686 (2019) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000003341230 |