Keenan Road over Hunkins Marsh
St. Lawrence County, New York · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Keenan Road over Hunkins Marsh in St. Lawrence County, New York, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1902, making it 123 years old at the 2025 inventory.
- It carries about 68 vehicles a day (traffic count year 2016).
- Its listed owner is a town or township highway agency.
- It is one of 18 of the 313 inventoried bridges in St. Lawrence County rated poor (5.8%); 18 (5.8%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (44.92437, -74.67673)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Superstructure | 4 | Poor condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Steel deck arch |
| Length | about 25 ft |
| Location | 3 Miles East of Helena |
| NBI structure number | 000000002220800 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in St. Lawrence County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte 11 over Grasse River | 1981 | 15,615 | Good |
| Rte 11 over Grasse River | 1981 | 15,615 | Good |
| Rte 11 over Raquette River | 1982 | 11,484 | Good |
| Rte 37 over Oswegatchie River Trail | 1958 | 9,859 | Fair |
| Rte 37 over Rte 970E | 1958 | 9,859 | Fair |
| Rte 420 over Raquette River | 1966 | 9,594 | Fair |
All bridges nearby: St. Lawrence County, NY bridge conditions · every bridge in St. Lawrence County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.