San Miguel County Bridge Report Card
San Miguel County scores 67 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
San Miguel County, New Mexico
San Miguel County has 175 bridges in the National Bridge Inventory, with 14 rated poor and 12 rated scour-critical. Its poor-condition share of 8.0% is above the 4.3% statewide average. Poor-condition bridges carry about 7,079 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives San Miguel County a Bridge Condition Exposure Score of 67/100 (D). The county has 175 bridges in the National Bridge Inventory, including 14 in poor condition and 12 rated scour-critical. Poor-condition bridges carry about 7,079 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 | 8.0% | 16.0 |
| Poor-condition traffic exposure | 25 | 1.6% of measured traffic | 1.2 |
| Scour-critical bridge share | 20 | 6.9% | 13.7 |
| Average age vs national baseline | 10 | 54 years vs 48 nationally | 2.4 |
| Traffic-data completeness | 5 | 453,012 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 | 8.0% |
| State Poor-Condition Share | 4.3% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 6.9% |
| Average Bridge Age | 54 years |
| Poor-Condition Traffic Exposure | 7,079 vehicles/day |
Bridges to Watch
Top Bridges to Watch in San Miguel County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| 47-a19a over Tecolote Creek | Poor condition + traffic exposure | Poor | 210 | 1974 |
| Nm-104 over Unnamed Waterway | Poor condition + traffic exposure | Poor | 151 | 1959 |
| Nm-266 over Sapello River | Poor condition + traffic exposure | Poor | 74 | 1967 |
| Us-84 over I-25 Nbl/sbl | Poor condition + traffic exposure | Poor | 2,467 | 1966 |
| Nm-94 over Manuelitas Creek | Poor condition + traffic exposure | Poor | 1,707 | 1954 |
| Nm-63 over Pecos River | Poor condition + traffic exposure | Poor | 595 | 1981 |
| Fr-2135 over Tecolote Creek | Poor condition + traffic exposure | Poor | 254 | 1941 |
| Nm-104 over La Manga Creek | Poor condition + traffic exposure | Poor | 243 | 1952 |
| Nm-104 over Oso Creek | Poor condition + traffic exposure | Poor | 243 | 1952 |
| Nm-104 over Alamosa Creek | Poor condition + traffic exposure | Poor | 243 | 1952 |
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.