Bridge conditions in Rio Arriba County, New Mexico
159 inventoried bridges · 10 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
10 of the 159 bridges the federal inventory lists in Rio Arriba County are rated poor; the rest split 61 good and 88 fair.
- 10 of the 159 bridges in Rio Arriba County, New Mexico, are rated in poor condition (6.3%) in the 2025 National Bridge Inventory, as of .
- 61 bridges (38.4%) are rated good and 88 (55.3%) fair.
- The median Rio Arriba County bridge was built in 1976.
- The busiest poor-rated bridge is Nm-68 NB over Santa Cruz River (built 1957), carrying about 19,160 vehicles a day.
Good 38.4% · Fair 55.3% · Poor 6.3% of 159 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 |
|---|---|---|---|
| Nm-68 NB over Santa Cruz River | 1957 | 19,160 | Poor |
| US-84 over Rio Del Oso | 1964 | 11,253 | Poor |
| Irr Bia Rte 8 over Amargo Wash | 1976 | 1,000 | Poor |
| 39-z083 over Rio Quemado | 1975 | 166 | Poor |
| 39-212 over Coyote Creek | 1935 | 166 | Poor |
| Camino Escondido over Chamita River | 1960 | 166 | Poor |
| Nm-576 over Vallecitos River | 1953 | 116 | Poor |
| Fdr 103 over Rio Puerco | 1976 | 50 | Poor |
| Irr Bia Rte 39 over Navajo River | 1973 | 30 | Poor |
| Irr Bia Rte 5 over La Jara Creek | 1960 | 20 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Nm-68 NB over Santa Cruz River | 1957 | 19,160 | Poor |
| Nm-68 SB over Santa Cruz River | 1957 | 19,160 | Fair |
| Nm-584 over Rio Grande | 1977 | 17,171 | Fair |
| Nm-68 over Unnamed Waterway | 1956 | 16,476 | Fair |
| Nm-68 over Unnamed Waterway | 1925 | 16,131 | Good |
| Nm-68 SB over Unnamed Waterway | 1956 | 16,131 | Good |
| US-84/285 over Unnamed Waterway | 1933 | 12,630 | Good |
| US-84/285 over Unnamed Waterway | 1963 | 12,630 | Fair |
| US-84/285 over Unnamed Waterway | 1965 | 12,630 | Good |
| US-84 over Unnamed Waterway | 1965 | 12,630 | Good |
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.