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 August 20, 2026

• Rte I81 over Spring Brook in Oswego County, New York, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• 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 7,949 vehicles a day (traffic count year 2004).
• 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.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• It was rated poor in the 2024 inventory and is now good (culvert 4 to 9).
• Its most recent inspection on record is dated October 2024, 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 → (43.56582, -76.11394)

Component ratings

Bridge details

Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.

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Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.