Jackson County Bridge Report Card
Jackson County scores 63 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Jackson County, Louisiana
Jackson County has 163 bridges in the National Bridge Inventory, with 13 rated poor and 31 rated scour-critical. Its poor-condition share of 8.0% is at or below the 11.2% statewide average. Poor-condition bridges carry about 6,058 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Jackson County a Bridge Condition Exposure Score of 63/100 (D). The county has 163 bridges in the National Bridge Inventory, including 13 in poor condition and 31 rated scour-critical. Poor-condition bridges carry about 6,058 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 | 19.0% | 20.0 |
| Average age vs national baseline | 10 | 43 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 386,618 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 | 11.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 19.0% |
| Average Bridge Age | 43 years |
| Poor-Condition Traffic Exposure | 6,058 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Jackson County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Siloam Church RD over Dry Creek | Poor condition + traffic exposure | Poor | 825 | 1957 |
| La0148 over Creek | Poor condition + traffic exposure | Poor | 532 | 1955 |
| La0556 over Dry Creek | Poor condition + traffic exposure | Poor | 376 | 1968 |
| La0556 over Jack Creek | Poor condition + traffic exposure | Poor | 376 | 1968 |
| La0810 over Brown Creek | Poor condition + traffic exposure | Poor | 374 | 1968 |
| La0148 over Creek | Poor condition + traffic exposure | Poor | 318 | 1949 |
| Keppler CR RD over Sugar Creek | Poor condition + traffic exposure | Poor | 75 | 1976 |
| La0004 over Creek | Poor condition + traffic exposure | Poor | 897 | 1952 |
| La0004 over Creek | Poor condition + traffic exposure | Poor | 897 | 1952 |
| La0146 over Creek | Poor condition + traffic exposure | Poor | 882 | 1951 |
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.