Alder Brook Road over Trout Brook
Warren County, New York · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Alder Brook Road over Trout Brook in Warren County, New York, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2010, making it 15 years old at the 2025 inventory.
- It carries about 24 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 58 of the 142 inventoried bridges in Warren County rated good (40.8%); 8 (5.6%) 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 June 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 → (43.75515, -73.88066)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 101 ft |
| Location | 6.5 Mi NE of North Creek |
| NBI structure number | 000000003305220 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| 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 Warren County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte 254 over 87I 87i17101048 Rte I87 | 1998 | 30,753 | Fair |
| Rte I87 over CR 28 | 1960 | 21,989 | Fair |
| Rte I87 over Luzerne Road | 1960 | 21,989 | Good |
| Rte I87 over Dixon Road | 1960 | 21,989 | Good |
| Rte I87 over Corinth Rd | 1960 | 20,850 | Fair |
| Rte I87 over Luzerne Road | 1960 | 20,850 | Good |
All bridges nearby: Warren County, NY bridge conditions · every bridge in Warren County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.