Rio Arriba County Bridge Report Card
Rio Arriba County scores 74 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Rio Arriba County, New Mexico
Rio Arriba County has 158 bridges in the National Bridge Inventory, with 10 rated poor and 6 rated scour-critical. Its poor-condition share of 6.3% is above the 4.3% statewide average. Poor-condition bridges carry about 32,127 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Rio Arriba County a Bridge Condition Exposure Score of 74/100 (C). The county has 158 bridges in the National Bridge Inventory, including 10 in poor condition and 6 rated scour-critical. Poor-condition bridges carry about 32,127 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 6.3% | 12.7 |
| Poor-condition traffic exposure | 25 | 5.6% of measured traffic | 4.2 |
| Scour-critical bridge share | 20 | 3.8% | 7.6 |
| Average age vs national baseline | 10 | 52 years vs 48 nationally | 1.7 |
| Traffic-data completeness | 5 | 573,611 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 6.3% |
| State Poor-Condition Share | 4.3% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 3.8% |
| Average Bridge Age | 52 years |
| Poor-Condition Traffic Exposure | 32,127 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Rio Arriba County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Us-84 over Rio Del Oso | Poor condition + traffic exposure | Poor | 11,253 | 1964 |
| 39-212 over Coyote Creek | Poor condition + traffic exposure | Poor | 166 | 1935 |
| Nm-576 over Vallecitos River | Poor condition + traffic exposure | Poor | 116 | 1953 |
| Nm-68 NB over Santa Cruz River | Poor condition + traffic exposure | Poor | 19,160 | 1957 |
| IRR BIA RTE 8 over Amargo Wash | Poor condition + traffic exposure | Poor | 1,000 | 1976 |
| Camino Escondido over Chamita River | Poor condition + traffic exposure | Poor | 166 | 1960 |
| 39-z083 over Rio Quemado | Poor condition + traffic exposure | Poor | 166 | 1975 |
| Fdr 103 over Rio Puerco | Poor condition + traffic exposure | Poor | 50 | 1976 |
| IRR BIA RTE 39 over Navajo River | Poor condition + traffic exposure | Poor | 30 | 1973 |
| IRR BIA RTE 5 over La Jara Creek | Poor condition + traffic exposure | Poor | 20 | 1960 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.