I-25 Sbl over Walnut Creek
Socorro County, New Mexico · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-25 Sbl over Walnut Creek in Socorro County, New Mexico, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1964, making it 61 years old at the 2025 inventory.
- It carries about 8,854 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 13 of the 189 inventoried bridges in Socorro County rated poor (6.9%); 13 (6.9%) 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 January 2025, on a 6-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (33.92071, -106.87896)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 133 ft |
| Location | 0.2 M N Jct. US-380/I-25 |
| NBI structure number | 000000000006457 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2025 |
| Inspection interval (item 91) | 6 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 Socorro County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-25 Sbl over Nogal Arroyo | 1958 | 12,698 | Fair |
| I-25 Nbl over Nogal Arroyo | 1958 | 12,698 | Fair |
| I-25 Nbl/sbl over East Road(escondida) | 1958 | 12,698 | Fair |
| I-25 Nbl/sbl Fr Rd over Unnamed Waterway | 1931 | 12,116 | Fair |
| I-25 Nbl/sbl Fr Rd over Unnamed Waterway | 1931 | 12,116 | Fair |
| I-25 Nbl/sbl Fr Rd over Unnamed Waterway | 1931 | 12,116 | Fair |
All bridges nearby: Socorro County, NM bridge conditions · every bridge in Socorro County · New Mexico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.