Madison County Bridge Report Card
Madison County scores 73 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Madison County, Louisiana
Madison County has 104 bridges in the National Bridge Inventory, with 7 rated poor and 6 rated scour-critical. Its poor-condition share of 6.7% is at or below the 11.2% statewide average. Poor-condition bridges carry about 3,783 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Madison County a Bridge Condition Exposure Score of 73/100 (C). The county has 104 bridges in the National Bridge Inventory, including 7 in poor condition and 6 rated scour-critical. Poor-condition bridges carry about 3,783 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 | 6.7% | 13.5 |
| Poor-condition traffic exposure | 25 | 0.3% of measured traffic | 0.2 |
| Scour-critical bridge share | 20 | 5.8% | 11.5 |
| Average age vs national baseline | 10 | 51 years vs 48 nationally | 1.4 |
| Traffic-data completeness | 5 | 1,290,460 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 | 6.7% |
| State Poor-Condition Share | 11.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 5.8% |
| Average Bridge Age | 51 years |
| Poor-Condition Traffic Exposure | 3,783 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Madison County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| La0577 over Sutt Bayou | Poor condition + traffic exposure | Poor | 184 | 1958 |
| La0577 over Joes Bayou | Poor condition + traffic exposure | Poor | 161 | 1969 |
| La0603 over Roundaway Bayou | Poor condition + traffic exposure | Poor | 100 | 1955 |
| Us0080 over Panola Bayou | Poor condition + traffic exposure | Poor | 1,558 | 1955 |
| Us0080 over Bayou Macon | Poor condition + traffic exposure | Poor | 1,451 | 1955 |
| W Bear Lake RD over Tensas River | Poor condition + traffic exposure | Poor | 187 | 1950 |
| Hodge RD over Cypress Bayou | Poor condition + traffic exposure | Poor | 142 | 1984 |
| Us0080 over Tensas River | Scour-critical foundation rating | Fair | 1,181 | 1954 |
| Us0080 over Joes Bayou | Scour-critical foundation rating | Fair | 894 | 1954 |
| Atkins Rd. over Joes Bayou | Scour-critical foundation rating | Good | 23 | 2022 |
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.