County Road 25 over Trb Chautauqua Lk
Chautauqua County, New York · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 25 over Trb Chautauqua Lk in Chautauqua 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 1989, making it 36 years old at the 2025 inventory.
- It carries about 445 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 238 of the 559 inventoried bridges in Chautauqua County rated good (42.6%); 52 (9.3%) 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 April 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 → (42.24256, -79.50292)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 35 ft |
| Location | SW End of Mayville |
| NBI structure number | 000000003326100 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 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 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.