Rte I90 over Trib to Lake Erie
Chautauqua County, New York · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rte I90 over Trib to Lake Erie in Chautauqua County, New York, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1957, making it 68 years old at the 2025 inventory.
- It carries about 9,423 vehicles a day (traffic count year 2014).
- 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.
View this bridge on a map → (42.36853, -79.51738)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 24 ft |
| Location | 4 Mi NE of Exit 60 - I90 |
| NBI structure number | 000000005511221 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Chautauqua County
| 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 |
All bridges nearby: Chautauqua County, NY bridge conditions · every bridge in Chautauqua County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.