Union County Bridge Report Card
Union County scores 86 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Union County, North Carolina
Union County has 353 bridges in the National Bridge Inventory, with 20 rated poor and 1 rated scour-critical. Its poor-condition share of 5.7% is at or below the 7.1% statewide average. Poor-condition bridges carry about 44,870 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Union County a Bridge Condition Exposure Score of 86/100 (B). The county has 353 bridges in the National Bridge Inventory, including 20 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 44,870 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 | 5.7% | 11.3 |
| Poor-condition traffic exposure | 25 | 2.5% of measured traffic | 1.9 |
| Scour-critical bridge share | 20 | 0.3% | 0.6 |
| Average age vs national baseline | 10 | 34 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 1,779,700 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 | 5.7% |
| State Poor-Condition Share | 7.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.3% |
| Average Bridge Age | 34 years |
| Poor-Condition Traffic Exposure | 44,870 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Union County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Sr1315 over Ut To E Fork Twelve Mi C | Poor condition + traffic exposure | Poor | 7,300 | 1968 |
| Nc200 over Stewarts Creek | Poor condition + traffic exposure | Poor | 7,000 | 1920 |
| Concord AVE over Us74 Nc200 | Poor condition + traffic exposure | Poor | 6,200 | 1951 |
| Sr1301 over Twelvemile Creek | Poor condition + traffic exposure | Poor | 6,100 | 1964 |
| Sr1315 over Underwood Creek | Poor condition + traffic exposure | Poor | 4,600 | 1968 |
| Sr1004 over South Fork Crooked Creek | Poor condition + traffic exposure | Poor | 4,200 | 1960 |
| Sr1681 over Stewarts Creek | Poor condition + traffic exposure | Poor | 1,900 | 1964 |
| Sr1751 over Salem Creek | Poor condition + traffic exposure | Poor | 1,300 | 1982 |
| Sr2102 over Buck Branch | Poor condition + traffic exposure | Poor | 1,100 | 1939 |
| Sr1137 over Cane Creek | Poor condition + traffic exposure | Poor | 950 | 1973 |
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.