Rte I81 over Spring Brook
Oswego County, New York · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rte I81 over Spring Brook in Oswego County, New York, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 1961, making it 64 years old at the 2025 inventory.
- It carries about 6,692 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 68 of the 234 inventoried bridges in Oswego County rated good (29.1%); 32 (13.7%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (43.5658, -76.11347)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 9 | Excellent condition |
Bridge details
| Structure | Steel culvert |
| Length | about 26 ft |
| Location | 0.7 Mi N Jct I-81 NB +13 |
| NBI structure number | 000000001068052 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Oswego County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 3 3 34012012 over Riverside Ave | 2014 | 21,433 | Fair |
| Rte 3 over Oswego Canal | 1969 | 18,390 | Good |
| Rte I81 over CR 37 | 1959 | 18,270 | Fair |
| Rte I81 over Nys Barge Canal | 1959 | 18,270 | Fair |
| Rte 81 over Daves Brook | 1958 | 17,542 | Fair |
| Rte 81 over Daves Brook | 1958 | 17,542 | Fair |
All bridges nearby: Oswego County, NY bridge conditions · every bridge in Oswego County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.