Lafayette County Bridge Report Card
Lafayette County scores 73 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Lafayette County, Louisiana
Lafayette County has 319 bridges in the National Bridge Inventory, with 25 rated poor and 12 rated scour-critical. Its poor-condition share of 7.8% is at or below the 11.2% statewide average. Poor-condition bridges carry about 155,044 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Lafayette County a Bridge Condition Exposure Score of 73/100 (C). The county has 319 bridges in the National Bridge Inventory, including 25 in poor condition and 12 rated scour-critical. Poor-condition bridges carry about 155,044 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 | 7.8% | 15.7 |
| Poor-condition traffic exposure | 25 | 5.2% of measured traffic | 3.9 |
| Scour-critical bridge share | 20 | 3.8% | 7.5 |
| Average age vs national baseline | 10 | 40 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 2,999,853 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 | 7.8% |
| State Poor-Condition Share | 11.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 3.8% |
| Average Bridge Age | 40 years |
| Poor-Condition Traffic Exposure | 155,044 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Lafayette County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| La0700 over Indian Bayou | Poor condition + traffic exposure | Poor | 1,900 | 1977 |
| High Meadow BLVD over Coulee | Poor condition + traffic exposure | Poor | 1,100 | 1974 |
| I0010 over I0049/us0167 | Poor condition + traffic exposure | Poor | 56,748 | 1968 |
| Johnston Street over Coulee Mine Br | Poor condition + traffic exposure | Poor | 29,320 | 1958 |
| Us0167 over Coulee Mine | Poor condition + traffic exposure | Poor | 27,213 | 1958 |
| La0093-1 over Bayou Ile Des Cannes | Poor condition + traffic exposure | Poor | 8,559 | 1956 |
| Gloria Switch RD over Coulee | Poor condition + traffic exposure | Poor | 8,240 | 1983 |
| La0343 over Indian Bayou | Poor condition + traffic exposure | Poor | 3,757 | 1957 |
| W. Congress Rd. over Ile Des Cannes Coulee | Poor condition + traffic exposure | Poor | 3,160 | 1973 |
| Failla RD over Coulee | Poor condition + traffic exposure | Poor | 3,040 | 1978 |
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.