Bridge conditions in Switzerland County, Indiana
62 inventoried bridges · 1 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Switzerland County tracks close to typical: 1 of its 62 inventoried bridges (1.6%) are rated poor, against a national rate of about 7%.
- 1 of the 62 bridges in Switzerland County, Indiana, are rated in poor condition (1.6%) in the 2025 National Bridge Inventory, as of .
- 28 bridges (45.2%) are rated good and 33 (53.2%) fair.
- The median Switzerland County bridge was built in 1994.
- The busiest poor-rated bridge is Allensville Rd over South Fork Elk Creek (built 1920), carrying about 125 vehicles a day.
Good 45.2% · Fair 53.2% · Poor 1.6% of 62 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Allensville Rd over South Fork Elk Creek | 1920 | 125 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 101 over SR 156 & Markland Dam | 1975 | 5,847 | Fair |
| SR 156 over Plum Creek | 1941 | 4,965 | Fair |
| SR 156 over Hunt Creek | 1941 | 4,965 | Fair |
| SR 156 over Log Lick Creek | 1958 | 4,810 | Fair |
| SR 56 over Indian Creek | 2006 | 2,394 | Fair |
| SR 56 over Mennets Run | 1985 | 2,387 | Good |
| SR 56 over Tucker Run | 2019 | 1,889 | Good |
| SR 56 over Green Valley Creek | 2019 | 1,760 | Good |
| SR 129 over Indian Creek | 1984 | 1,631 | Good |
| SR 129 over Long Run | 2008 | 1,631 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Indiana: Indiana bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.