Nm-518 over Mora River
Mora County, New Mexico · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nm-518 over Mora River in Mora County, New Mexico, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1967, making it 58 years old at the 2025 inventory.
- It carries about 3,107 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 50 of the 79 inventoried bridges in Mora County rated fair (63.3%); 5 (6.3%) 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 April 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 → (35.96732, -105.30237)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 162 ft |
| Location | 3.7 Mi NW of Jct Nm-442 |
| NBI structure number | 000000000006763 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 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 Mora County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-25 Nbl over Nm-120 | 1971 | 6,256 | Fair |
| I-25 Sbl over Nm-120 | 1971 | 6,066 | Fair |
| I-25 Sbl over I-25 Service Road | 1970 | 5,966 | Fair |
| I-25 Nbl over Sapello River | 1969 | 5,419 | Fair |
| I-25 Sbl over Sapello River | 1969 | 5,419 | Fair |
| I-25 Nbl over Mora River | 1969 | 5,419 | Fair |
All bridges nearby: Mora County, NM bridge conditions · every bridge in Mora County · New Mexico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.