County Road 48 over Salmon River
Oswego County, New York · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 48 over Salmon River in Oswego County, New York, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2011, making it 14 years old at the 2025 inventory.
- It carries about 782 vehicles a day (traffic count year 2019).
- Its listed owner is the county 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.
- 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 September 2023, on a 24-month routine inspection cycle.
- 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 → (43.53104, -76.03751)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 9 | 9 | Excellent condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 232 ft |
| Location | 2.2 Mi NW of Altmar |
| NBI structure number | 000000003313730 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
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.