Rankin County Bridge Report Card
Rankin County scores 85 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Rankin County, Mississippi
Rankin County has 378 bridges in the National Bridge Inventory, with 17 rated poor and 4 rated scour-critical. Its poor-condition share of 4.5% is at or below the 5.8% statewide average. Poor-condition bridges carry about 143,360 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Rankin County a Bridge Condition Exposure Score of 85/100 (B). The county has 378 bridges in the National Bridge Inventory, including 17 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 143,360 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 | 4.5% | 9.0 |
| Poor-condition traffic exposure | 25 | 5.1% of measured traffic | 3.8 |
| Scour-critical bridge share | 20 | 1.1% | 2.1 |
| Average age vs national baseline | 10 | 39 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 2,833,170 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 | 4.5% |
| State Poor-Condition Share | 5.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.1% |
| Average Bridge Age | 39 years |
| Poor-Condition Traffic Exposure | 143,360 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Rankin County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| SR 25 over Plummer Slough | Poor condition + traffic exposure | Poor | 20,000 | 1981 |
| Old HWY 49 over Richland Creek | Poor condition + traffic exposure | Poor | 5,600 | 1939 |
| I 20 E To I 55 N over Over I 20 WB | Poor condition + traffic exposure | Poor | 25,000 | 1966 |
| I 20 over Kcs Rr/county Road | Poor condition + traffic exposure | Poor | 22,000 | 1967 |
| I 20 over US 80 | Poor condition + traffic exposure | Poor | 17,500 | 1966 |
| US 80 over Pearl River Relief | Poor condition + traffic exposure | Poor | 16,000 | 1938 |
| US 80 over Kcs Rr | Poor condition + traffic exposure | Poor | 11,500 | 1938 |
| Spillway Rd. over Mill Creek | Poor condition + traffic exposure | Poor | 7,500 | 1970 |
| Williams RD over Butler Creek | Poor condition + traffic exposure | Poor | 3,600 | 1997 |
| Barnett Street over Ditch | Poor condition + traffic exposure | Poor | 3,450 | 1958 |
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.