Miller County Bridge Report Card
Miller County scores 90 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Miller County, Arkansas
Miller County has 217 bridges in the National Bridge Inventory, with 7 rated poor and 3 rated scour-critical. Its poor-condition share of 3.2% is at or below the 5.4% statewide average. Poor-condition bridges carry about 15,092 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Miller County a Bridge Condition Exposure Score of 90/100 (A). The county has 217 bridges in the National Bridge Inventory, including 7 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 15,092 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 | 3.2% | 6.5 |
| Poor-condition traffic exposure | 25 | 1.5% of measured traffic | 1.1 |
| Scour-critical bridge share | 20 | 1.4% | 2.8 |
| Average age vs national baseline | 10 | 40 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 988,606 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 | 3.2% |
| State Poor-Condition Share | 5.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.4% |
| Average Bridge Age | 40 years |
| Poor-Condition Traffic Exposure | 15,092 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Miller County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Co RD 1 - F - 2.67 over Branch | Poor condition + traffic exposure | Poor | 412 | 1969 |
| US 71sec.02-14.37 over Nix Creek | Poor condition + traffic exposure | Poor | 11,974 | 1939 |
| SH 237 Sec.01-9.83 over Sulphur River | Poor condition + traffic exposure | Poor | 730 | 1963 |
| SH 134sec.01-16.55 over Moccasin Bayou | Poor condition + traffic exposure | Poor | 715 | 1957 |
| US 71-sec.01-8.30 over Sulphur River Relief | Poor condition + traffic exposure | Poor | 680 | 1942 |
| SH 134 Sec.01-5.49 over Old Channel Mckinney Bay | Poor condition + traffic exposure | Poor | 410 | 1956 |
| Siebert Street over Creek (city) | Poor condition + traffic exposure | Poor | 171 | 1970 |
| US 67 Sec. 01-0.87 over Nix Creek | Scour-critical foundation rating | Fair | 10,414 | 1950 |
| Co RD 5 Zone F over Kelly Bayou | Scour-critical foundation rating | Fair | 309 | 1974 |
| I-30 District 3 over Red River- Miller Co | High traffic | Good | 32,000 | 2017 |
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.