West Baton Rouge County Bridge Report Card
West Baton Rouge County scores 62 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
West Baton Rouge County, Louisiana
West Baton Rouge County has 72 bridges in the National Bridge Inventory, with 10 rated poor and 0 rated scour-critical. Its poor-condition share of 13.9% is above the 11.2% statewide average. Poor-condition bridges carry about 122,964 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives West Baton Rouge County a Bridge Condition Exposure Score of 62/100 (D). The county has 72 bridges in the National Bridge Inventory, including 10 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 122,964 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 | 13.9% | 27.8 |
| Poor-condition traffic exposure | 25 | 8.7% of measured traffic | 6.5 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.3 |
| Traffic-data completeness | 5 | 1,413,395 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 | 13.9% |
| State Poor-Condition Share | 11.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 122,964 vehicles/day |
Bridges to Watch
Top Bridges to Watch in West Baton Rouge County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| I0010 over La 415 | Poor condition + traffic exposure | Poor | 41,644 | 1969 |
| La0001 over Mo Pacific Rr | Poor condition + traffic exposure | Poor | 25,347 | 1952 |
| La0001 over Port Allen Canal | Poor condition + traffic exposure | Poor | 25,347 | 1960 |
| Us0190 over La 415/m P Rr @ Lobdell | Poor condition + traffic exposure | Poor | 12,262 | 1940 |
| La0076 over Chalpin Bayou | Poor condition + traffic exposure | Poor | 7,562 | 1980 |
| La0076 over Stream No Name | Poor condition + traffic exposure | Poor | 6,347 | 1930 |
| La0983 over Tiger Bayou | Poor condition + traffic exposure | Poor | 2,000 | 1983 |
| La9873 over Drainage Canal | Poor condition + traffic exposure | Poor | 1,725 | 1962 |
| Section RD over Bayou Poydras | Poor condition + traffic exposure | Poor | 500 | 1973 |
| Sid Richardson RD over Bayou Bourbeaux | Poor condition + traffic exposure | Poor | 230 | 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.