4101: Organ Mtn Ea over Aguirre Spring
Doña Ana County, New Mexico · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 4101: Organ Mtn Ea over Aguirre Spring in Doña Ana County, New Mexico, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 38 vehicles a day (traffic count year 2019).
- It is one of 173 of the 261 inventoried bridges in Doña Ana County rated fair (66.3%); 11 (4.2%) 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 March 2023, on a 24-month routine inspection cycle.
- 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 → (32.37043, -106.55859)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 20 ft |
| Location | 12 mi E. of Las Cruces |
| NBI structure number | 0000000L2020634 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New Mexico department of transportation.
Busiest bridges in Doña Ana County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-70 over Unnamed Waterway | 1933 | 47,762 | Fair |
| US-70 Ebl & Wbl over Roadrunner Parkway | 2003 | 47,762 | Fair |
| US-70 Ebl over Rinconada Road-MP151.9 | 2003 | 47,762 | Good |
| US-70 Wbl over Rinconada Road | 2003 | 47,762 | Good |
| US-70 Ebl over Sonoma Ranch Blvd | 2003 | 47,762 | Good |
| US-70 Wbl over Sonoma Ranch Blvd | 2003 | 47,762 | Good |
All bridges nearby: Doña Ana County, NM bridge conditions · every bridge in Doña Ana County · New Mexico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.