Washington County Bridge Report Card
Washington County scores 57 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Washington County, Louisiana
Washington County has 285 bridges in the National Bridge Inventory, with 29 rated poor and 58 rated scour-critical. Its poor-condition share of 10.2% is at or below the 11.2% statewide average. Poor-condition bridges carry about 24,040 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Washington County a Bridge Condition Exposure Score of 57/100 (F). The county has 285 bridges in the National Bridge Inventory, including 29 in poor condition and 58 rated scour-critical. Poor-condition bridges carry about 24,040 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 | 10.2% | 20.4 |
| Poor-condition traffic exposure | 25 | 4.0% of measured traffic | 3.0 |
| Scour-critical bridge share | 20 | 20.4% | 20.0 |
| Average age vs national baseline | 10 | 46 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 600,233 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 | 10.2% |
| State Poor-Condition Share | 11.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 20.4% |
| Average Bridge Age | 46 years |
| Poor-Condition Traffic Exposure | 24,040 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Washington County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Ball Town RD over Ard Creek | Poor condition + traffic exposure | Poor | 1,680 | 1960 |
| Mitch RD over Peters Creek | Poor condition + traffic exposure | Poor | 1,420 | 1970 |
| La0436 over Drain | Poor condition + traffic exposure | Poor | 1,306 | 1958 |
| La0062 over Drain | Poor condition + traffic exposure | Poor | 1,205 | 1959 |
| La0062 over Crains Creek | Poor condition + traffic exposure | Poor | 1,205 | 1959 |
| La1074 over Talleys Creek | Poor condition + traffic exposure | Poor | 1,186 | 1958 |
| La1074 over Sals Branch | Poor condition + traffic exposure | Poor | 1,186 | 1958 |
| La1072 over Drain | Poor condition + traffic exposure | Poor | 1,105 | 1954 |
| La1072 over Warner Creek | Poor condition + traffic exposure | Poor | 1,105 | 1959 |
| Hudson ST over Coburn Creek | Poor condition + traffic exposure | Poor | 703 | 1970 |
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.