29-a009 over Porter Draw
Luna County, New Mexico · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 29-a009 over Porter Draw in Luna 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 1981, making it 44 years old at the 2025 inventory.
- It carries about 385 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 23 of the 107 inventoried bridges in Luna County rated good (21.5%); 0 (0.0%) 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 → (32.4694, -107.88835)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 145 ft |
| Location | 4 Mi N of US-180 @MP152.3 |
| NBI structure number | 000000000008325 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New Mexico department of transportation.
Busiest bridges in Luna County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-10 Ebl over Unnamed Waterway | 1967 | 20,017 | Fair |
| I-10 Ebl over Unnamed Waterway | 1967 | 20,017 | Fair |
| I-10 Wbl over Unnamed Waterway | 1967 | 20,017 | Fair |
| I-10 Ebl over Mimbres River | 1968 | 20,017 | Fair |
| I-10 Wbl over Mimbres River | 1968 | 20,017 | Fair |
| I-10 Ebl over Unnamed Waterway | 1968 | 20,017 | Good |
All bridges nearby: Luna County, NM bridge conditions · every bridge in Luna County · New Mexico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.