Irr Bia Rte N108 over Wash
McKinley County, New Mexico · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr Bia Rte N108 over Wash in McKinley County, New Mexico, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1976, making it 49 years old at the 2025 inventory.
- It carries about 900 vehicles a day (traffic count year 2023).
- It is one of 23 of the 289 inventoried bridges in McKinley County rated poor (8.0%); 23 (8.0%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (35.85622, -108.76364)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 3 | Serious condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Aluminum or iron through truss |
| Length | about 106 ft |
| Location | In Tohatchi N.m. |
| NBI structure number | 00000000000N651 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New Mexico department of transportation.
Busiest bridges in McKinley County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-40 Wbl over BNSF R/R Spur | 1980 | 31,569 | Fair |
| I-40 Ebl over BNSF R/R Spur | 1980 | 31,569 | Fair |
| I-40 Ebl over Third Street | 1980 | 31,569 | Fair |
| I-40 WB over Third Street | 1980 | 31,569 | Fair |
| I-40 WB over Second Street | 1980 | 31,569 | Fair |
| I-40 Ebl over Second Street | 1980 | 31,569 | Fair |
All bridges nearby: McKinley County, NM bridge conditions · every bridge in McKinley County · New Mexico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.