Switzerland County Bridge Report Card
Switzerland County scores 97 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Switzerland County, Indiana
Switzerland County has 62 bridges in the National Bridge Inventory, with 1 rated poor and 0 rated scour-critical. Its poor-condition share of 1.6% is at or below the 5.3% statewide average. Poor-condition bridges carry about 125 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Switzerland County a Bridge Condition Exposure Score of 97/100 (A). The county has 62 bridges in the National Bridge Inventory, including 1 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 125 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 | 1.6% | 3.2 |
| Poor-condition traffic exposure | 25 | 0.3% of measured traffic | 0.2 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 44 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 48,897 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 | 1.6% |
| State Poor-Condition Share | 5.3% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 44 years |
| Poor-Condition Traffic Exposure | 125 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Switzerland County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Allensville RD over South Fork Elk Creek | Poor condition + traffic exposure | Poor | 125 | 1920 |
| SR 101 over SR 156 & Markland Dam | High traffic | Fair | 5,847 | 1975 |
| SR 156 over Plum Creek | High traffic | Fair | 4,965 | 1941 |
| SR 156 over Hunt Creek | High traffic | Fair | 4,965 | 1941 |
| SR 156 over Log Lick Creek | High traffic | Fair | 4,810 | 1958 |
| SR 56 over Indian Creek | High traffic | Fair | 2,394 | 2006 |
| SR 56 over Mennets Run | High traffic | Good | 2,387 | 1985 |
| SR 56 over Tucker Run | High traffic | Good | 1,889 | 2019 |
| SR 56 over Green Valley Creek | High traffic | Good | 1,760 | 2019 |
| SR 129 over Indian Creek | High traffic | Good | 1,631 | 1984 |
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.