Potter Road over Grannis Brook
Fair Condition62 years old329 vehicles/day
Location
| State | New York |
| County | St. Lawrence |
| Location | 0.75 Mi W Of Langdon Corn |
| Carries | Potter Road |
| Crosses | Grannis Brook |
| Coordinates | 44.58213, -75.07730 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 39.0 ft (11.9 m) |
| Max Span | 36.7 ft (11.2 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 97.6 sq m |
| Main Spans | 1 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 329 (2018) |
| Truck Traffic | 2% |
| 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 | 000000003340690 |