Nm-4 over Church Canyon
Sandoval County, New Mexico · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nm-4 over Church Canyon in Sandoval County, New Mexico, 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 2016, making it 9 years old at the 2025 inventory.
- It carries about 5,364 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 62 of the 180 inventoried bridges in Sandoval County rated good (34.4%); 8 (4.4%) 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 → (35.77724, -106.68792)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 32 ft |
| Location | 18.0 M North JCT US-550 |
| NBI structure number | 000000000009570 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New Mexico department of transportation.
Busiest bridges in Sandoval County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-550 over Irrigation Ditch | 1938 | 91,260 | Good |
| US-550 Sbl over Rio Grande River | 1986 | 91,260 | Fair |
| US-550 Sbl over Rio Grande | 1986 | 91,260 | Fair |
| I-25 Nbl/sbl over Unnamed Waterway | 1954 | 70,705 | Fair |
| I-25 NBL and SBL over Sandia wash | 2011 | 70,705 | Fair |
| I-25 Nbl/sbl over Unnamed Waterway | 1954 | 59,841 | Fair |
All bridges nearby: Sandoval County, NM bridge conditions · every bridge in Sandoval County · New Mexico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.