Rte 12 over Trib Mill Creek
Lewis County, New York · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rte 12 over Trib Mill Creek in Lewis County, New York, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2005, making it 20 years old at the 2025 inventory.
- It carries about 2,290 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 59 of the 169 inventoried bridges in Lewis County rated good (34.9%); 26 (15.4%) are rated poor.
- 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 → (43.82601, -75.57847)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 39 ft |
| Location | 3 MI NW Jct Rte 117 & 12 |
| NBI structure number | 000000001078650 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Lewis County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte 12 over Mill Creek | 1913 | 11,108 | Fair |
| East State Street over Mill Creek | 1963 | 6,160 | Fair |
| Rte 12 over Mohawk Adirondack & Nort | 1950 | 5,391 | Fair |
| Rte 12 over Whetstone Creek | 1989 | 5,059 | Fair |
| Rte 12 over Roaring Brook | 1989 | 5,059 | Fair |
| Rte 12 over House Creek | 1964 | 4,976 | Good |
All bridges nearby: Lewis County, NY bridge conditions · every bridge in Lewis County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.