Nm-434 over Mora River
Mora County, New Mexico · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nm-434 over Mora River in Mora County, New Mexico, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2019, making it 6 years old at the 2025 inventory.
- It carries about 1,223 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 24 of the 79 inventoried bridges in Mora County rated good (30.4%); 5 (6.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: deck 8 to 7, superstructure 8 to 7.
- Its most recent inspection on record is dated August 2024, on a 24-month routine inspection cycle.
- 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 → (35.97528, -105.32966)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 7 | Good condition |
| Superstructure | 8 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete multiple box beam |
| Length | about 47 ft |
| Location | 0.1 Mi N of Nm-518/mora |
| NBI structure number | 000000000009821 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
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.