Nm-445 over Irrigation Canal
Colfax County, New Mexico · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nm-445 over Irrigation Canal in Colfax County, New Mexico, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1942, making it 83 years old at the 2025 inventory.
- It carries about 116 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 80 of the 139 inventoried bridges in Colfax County rated fair (57.6%); 5 (3.6%) 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 → (36.58666, -104.54197)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 25 ft |
| Location | 3.0 Mi N of Jct Nm-505 |
| NBI structure number | 000000000004948 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New Mexico department of transportation.
Busiest bridges in Colfax County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-25 Nbl over Loop-17 | 1993 | 11,902 | Good |
| I-25 Nbl over Lincoln Avenue (raton) | 1960 | 10,589 | Fair |
| I-25 Sbl over Lincoln Avenue | 1960 | 10,589 | Fair |
| I-25 Sbl over Loop-17 | 1993 | 10,176 | Good |
| I-25 Nbl over US 64/loop-17 | 1959 | 7,719 | Fair |
| I-25 Nbl over Willow Creek | 1970 | 6,576 | Fair |
All bridges nearby: Colfax County, NM bridge conditions · every bridge in Colfax County · New Mexico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.