SR 156 over Spring Branch
Switzerland County, Indiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 156 over Spring Branch in Switzerland County, Indiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1938, making it 87 years old at the 2025 inventory.
- It carries about 676 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 28 of the 62 inventoried bridges in Switzerland County rated good (45.2%); 1 (1.6%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (38.79409, -84.89668)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 21 ft |
| Location | 03.83 E SR 101 |
| NBI structure number | 027780 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Switzerland 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 |
All bridges nearby: Switzerland County, IN bridge conditions · every bridge in Switzerland County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.