I-25 Nbl over Loop-15/las Vegas
San Miguel County, New Mexico · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-25 Nbl over Loop-15/las Vegas in San Miguel 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 1973 and reconstructed in 2008, making it 52 years old at the 2025 inventory.
- It carries about 7,880 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 68 of the 175 inventoried bridges in San Miguel County rated good (38.9%); 14 (8.0%) 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 May 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 → (35.56884, -105.2203)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 212 ft |
| Location | South Las Vegas Interchng |
| NBI structure number | 000000000007332 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New Mexico department of transportation.
Busiest bridges in San Miguel County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mills AVE. (LV) over Gallinas River | 1998 | 14,679 | Good |
| I-25 Nbl over Agua Sarca Creek | 1973 | 12,084 | Fair |
| I-25 Sbl over Agua Sarca Creek | 1973 | 12,084 | Fair |
| I-25 Nbl/sbl/frntg over Unnamed Waterway | 1966 | 12,084 | Fair |
| I-25 Nbl/sbl over Unnamed Waterway | 1973 | 12,084 | Good |
| I-25 Nbl over I-25 Service Road | 1966 | 10,978 | Fair |
All bridges nearby: San Miguel County, NM bridge conditions · every bridge in San Miguel County · New Mexico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.