De Soto County Bridge Report Card
De Soto County scores 64 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
De Soto County, Louisiana
De Soto County has 201 bridges in the National Bridge Inventory, with 15 rated poor and 50 rated scour-critical. Its poor-condition share of 7.5% is at or below the 11.2% statewide average. Poor-condition bridges carry about 23,679 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives De Soto County a Bridge Condition Exposure Score of 64/100 (D). The county has 201 bridges in the National Bridge Inventory, including 15 in poor condition and 50 rated scour-critical. Poor-condition bridges carry about 23,679 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 | 7.5% | 14.9 |
| Poor-condition traffic exposure | 25 | 1.4% of measured traffic | 1.1 |
| Scour-critical bridge share | 20 | 24.9% | 20.0 |
| Average age vs national baseline | 10 | 45 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 1,637,628 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 | 7.5% |
| State Poor-Condition Share | 11.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 24.9% |
| Average Bridge Age | 45 years |
| Poor-Condition Traffic Exposure | 23,679 vehicles/day |
Bridges to Watch
Top Bridges to Watch in De Soto County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Us0084 over Bayou Castor | Poor condition + traffic exposure | Poor | 6,314 | 1951 |
| La0175 over Caney Bayou Rel | Poor condition + traffic exposure | Poor | 4,051 | 1957 |
| La0764 over Drain | Poor condition + traffic exposure | Poor | 1,933 | 1971 |
| La3015 over Bayou Castor Relief | Poor condition + traffic exposure | Poor | 1,157 | 1971 |
| La3015 over Bayou Castor | Poor condition + traffic exposure | Poor | 1,157 | 1972 |
| La0765 over Garrison Creek | Poor condition + traffic exposure | Poor | 1,150 | 1974 |
| La3015 over Bayou Grand Cane Relief | Poor condition + traffic exposure | Poor | 581 | 1977 |
| La0513 over Drain | Poor condition + traffic exposure | Poor | 243 | 1969 |
| La0513 over Brushy Bayou | Poor condition + traffic exposure | Poor | 243 | 1969 |
| La0513 over Ten Mile B Relief | Poor condition + traffic exposure | Poor | 243 | 1969 |
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.