Union County Bridge Report Card
Union County scores 95 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Union County, Mississippi
Union County has 203 bridges in the National Bridge Inventory, with 3 rated poor and 2 rated scour-critical. Its poor-condition share of 1.5% is at or below the 5.8% statewide average. Poor-condition bridges carry about 4,975 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Union County a Bridge Condition Exposure Score of 95/100 (A). The county has 203 bridges in the National Bridge Inventory, including 3 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 4,975 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 | 1.5% | 3.0 |
| Poor-condition traffic exposure | 25 | 0.7% of measured traffic | 0.5 |
| Scour-critical bridge share | 20 | 1.0% | 2.0 |
| Average age vs national baseline | 10 | 35 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 743,305 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 | 1.5% |
| State Poor-Condition Share | 5.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.0% |
| Average Bridge Age | 35 years |
| Poor-Condition Traffic Exposure | 4,975 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Union County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| SR 348 over Kings Creek | Poor condition + traffic exposure | Poor | 3,000 | 1952 |
| SR 178 over Okannatie W B | Poor condition + traffic exposure | Poor | 1,900 | 1938 |
| Park Alg Rv Acc over Camp Creek | Poor condition + traffic exposure | Poor | 75 | 1998 |
| SR 355 over Stream | Scour-critical foundation rating | Fair | 730 | 1985 |
| Glendale Road over Hell Creek | Scour-critical foundation rating | Fair | 250 | 1983 |
| I 22 over Sand Creek | High traffic | Good | 29,000 | 1979 |
| I 22 over Okannattie Creek W B | High traffic | Good | 29,000 | 1979 |
| I 22 over Okannattie Creek Relief | High traffic | Good | 29,000 | 1979 |
| I 22 over Okannattie Creek Relief | High traffic | Good | 29,000 | 1979 |
| I 22 over Tallahatchie River | High traffic | Fair | 28,000 | 1965 |
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.