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Diamond St over Old Erie Canal

Madison County, New York · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Diamond St over Old Erie Canal in Madison County, New York, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1947, making it 78 years old at the 2025 inventory.
It carries about 596 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 94 of the 176 inventoried bridges in Madison County rated fair (53.4%); 16 (9.1%) are rated poor.
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.

Component ratings

Component	Rating (2025)	FHWA scale meaning
Superstructure	6	Satisfactory condition
Substructure	7	Good condition

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

Bridge	Built	Vehicles/day	Condition
Rte I90 over Canastota Creek	1951	35,041	Fair
Rte I90 over Old Erie Canal	1954	31,294	Fair
Rte I90 over N Lake St	1953	31,294	Fair
Rte I90 over Oneida Creek	1994	31,294	Good
Rte I90 over Canaseraga Creek	1951	19,091	Fair
Rte 90 over Canaseraga Creek	1951	17,521	Fair