Bridge conditions in Socorro County, New Mexico
189 inventoried bridges · 13 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
13 of the 189 bridges the federal inventory lists in Socorro County are rated poor; the rest split 33 good and 143 fair.
- 13 of the 189 bridges in Socorro County, New Mexico, are rated in poor condition (6.9%) in the 2025 National Bridge Inventory, as of .
- 33 bridges (17.5%) are rated good and 143 (75.7%) fair.
- The median Socorro County bridge was built in 1963.
- The busiest poor-rated bridge is I-25 Nbl over San Lorenzo Arroyo (built 1958), carrying about 12,116 vehicles a day.
Good 17.5% · Fair 75.7% · Poor 6.9% of 189 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-25 Nbl over San Lorenzo Arroyo | 1958 | 12,116 | Poor |
| I-25 Sbl over Madera Canyon | 1939 | 8,854 | Poor |
| I-25 Nbl over Walnut Creek | 1964 | 8,854 | Poor |
| I-25 Sbl over Walnut Creek | 1964 | 8,854 | Poor |
| I-25 Sbl over Matanza Arroyo | 1971 | 8,854 | Poor |
| I-25 Nbl over Unnamed Waterway | 1963 | 6,438 | Poor |
| US-380 over Unnamed Waterway | 1940 | 1,965 | Poor |
| 53-z001 over Unnamed Waterway | 1958 | 598 | Poor |
| Nm-304 over Salas Arroyo | 1974 | 208 | Poor |
| Fl-5862 over Nogal Arroyo | 1998 | 181 | Poor |
| Nm-1 over Unnamed Waterway | 1931 | 174 | Poor |
| 53z001 over I25 Nbl/sbl @ Mp-163 | 1958 | 58 | Poor |
| Nm-1 over Spikey Arroyo | 1931 | 40 | Poor |
Busiest bridges in the 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 |
| I-25 Nbl/sbl Fr Rd over Unnamed Waterway | 1931 | 12,116 | Fair |
| I-25 Sbl over San Lorenzo Arroyo | 1958 | 12,116 | Fair |
| I-25 Nbl over San Lorenzo Arroyo | 1958 | 12,116 | Fair |
| I-25 Sbl over San Lorenzo Arroyo | 1958 | 12,116 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of New Mexico: New Mexico bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.