River Street over W B Oswegatchie R
Lewis County, New York · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- River Street over W B Oswegatchie R in Lewis County, New York, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1984, making it 41 years old at the 2025 inventory.
- It carries about 502 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 84 of the 169 inventoried bridges in Lewis County rated fair (49.7%); 26 (15.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2023, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (44.15458, -75.31903)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 102 ft |
| Location | Village of Harrisville |
| NBI structure number | 000000002267310 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Lewis County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte 12 over Mill Creek | 1913 | 11,108 | Fair |
| East State Street over Mill Creek | 1963 | 6,160 | Fair |
| Rte 12 over Mohawk Adirondack & Nort | 1950 | 5,391 | Fair |
| Rte 12 over Whetstone Creek | 1989 | 5,059 | Fair |
| Rte 12 over Roaring Brook | 1989 | 5,059 | Fair |
| Rte 12 over House Creek | 1964 | 4,976 | Good |
All bridges nearby: Lewis County, NY bridge conditions · every bridge in Lewis County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.