Orleans County Bridge Report Card
Orleans County scores 68 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Orleans County, Louisiana
Orleans County has 381 bridges in the National Bridge Inventory, with 41 rated poor and 3 rated scour-critical. Its poor-condition share of 10.8% is at or below the 11.2% statewide average. Poor-condition bridges carry about 727,086 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Orleans County a Bridge Condition Exposure Score of 68/100 (D). The county has 381 bridges in the National Bridge Inventory, including 41 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 727,086 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 | 10.8% | 21.5 |
| Poor-condition traffic exposure | 25 | 10.3% of measured traffic | 7.7 |
| Scour-critical bridge share | 20 | 0.8% | 1.6 |
| Average age vs national baseline | 10 | 50 years vs 48 nationally | 0.7 |
| Traffic-data completeness | 5 | 7,080,806 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 | 10.8% |
| State Poor-Condition Share | 11.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.8% |
| Average Bridge Age | 50 years |
| Poor-Condition Traffic Exposure | 727,086 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Orleans County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Us0090 over Chef Menteur Pass | Poor condition + traffic exposure | Poor | 1,215 | 1930 |
| East 6th ST over Drain Canal | Poor condition | Poor | 0 | 1960 |
| I0010 over Service RD & Upt R/r | Poor condition + traffic exposure | Poor | 154,311 | 1960 |
| Us0090-b over Mississippi River | Poor condition + traffic exposure | Poor | 154,311 | 1985 |
| I0010 over I-610 & I-10 | Poor condition + traffic exposure | Poor | 49,634 | 1963 |
| La0039 over Inner Harbor Nav Canal | Poor condition + traffic exposure | Poor | 47,739 | 1957 |
| Palmetto ST Onramp over Kcs Rr | Poor condition + traffic exposure | Poor | 47,738 | 1960 |
| La0039 over N O P B Rr(claiborne AVE | Poor condition + traffic exposure | Poor | 36,993 | 1949 |
| Unnamed RD over I-10 | Poor condition + traffic exposure | Poor | 28,550 | 1969 |
| Unnamed RD over I-10 | Poor condition + traffic exposure | Poor | 28,550 | 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.