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West Oak Hill Rd over 17 17 52111278 Rte I86

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

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

West Oak Hill Rd over 17 17 52111278 Rte I86 in Chautauqua 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 substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1973, making it 52 years old at the 2025 inventory.
It carries about 1,082 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 269 of the 559 inventoried bridges in Chautauqua County rated fair (48.1%); 52 (9.3%) 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


Structure	Steel stringer or multi-beam girder
Length	about 274 ft
Location	0.3 Mi W Jct Rts 17 + 60
NBI structure number	000000001091940
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Rte I90 over Cattaraugus Creek	1954	24,417	Fair
Rte I90 over Buffalo Rd	1956	24,362	Fair
Rte I90 over Scott Creek	1956	22,749	Fair
Rte I90 over Beaver Creek	1956	22,749	Fair
Rte 5 over Cattaraugus Creek	2015	17,962	Good
Rte I90 over Slippery Rock Creek	1958	16,888	Fair