Union County Bridge Report Card
Union County scores 80 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Union County, Indiana
Union County has 58 bridges in the National Bridge Inventory, with 3 rated poor and 2 rated scour-critical. Its poor-condition share of 5.2% is at or below the 5.3% statewide average. Poor-condition bridges carry about 775 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Union County a Bridge Condition Exposure Score of 80/100 (B). The county has 58 bridges in the National Bridge Inventory, including 3 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 775 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 | 5.2% | 10.3 |
| Poor-condition traffic exposure | 25 | 1.3% of measured traffic | 1.0 |
| Scour-critical bridge share | 20 | 3.4% | 6.9 |
| Average age vs national baseline | 10 | 52 years vs 48 nationally | 1.8 |
| Traffic-data completeness | 5 | 58,992 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 | 5.2% |
| State Poor-Condition Share | 5.3% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 3.4% |
| Average Bridge Age | 52 years |
| Poor-Condition Traffic Exposure | 775 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Union County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Old Brownsville RD over Silver Creek | Poor condition + traffic exposure | Poor | 300 | 1960 |
| Patterson Road over Richland Creek | Poor condition + traffic exposure | Poor | 250 | 1962 |
| Stone Road over Indian Creek | Poor condition + traffic exposure | Poor | 225 | 1954 |
| SR 44 over Silver Creek | Scour-critical foundation rating | Fair | 4,248 | 1933 |
| US 27 over Indian Creek | Scour-critical foundation rating | Good | 3,278 | 1992 |
| US 27 over Richland Creek | High traffic | Fair | 5,308 | 1928 |
| US 27 over Richland Creek | High traffic | Fair | 5,308 | 1930 |
| US 27 over Richland Creek | High traffic | Fair | 5,308 | 1930 |
| US 27 over Silver Creek | High traffic | Fair | 5,308 | 1957 |
| SR 44 over E Fork Whitewater River | High traffic | Fair | 4,248 | 1974 |
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.