US 52 over Unt Flatrock River
Rush County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 52 over Unt Flatrock River in Rush County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2013, making it 12 years old at the 2025 inventory.
- It carries about 2,143 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 158 of the 227 inventoried bridges in Rush County rated fair (69.6%); 8 (3.5%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (39.57658, -85.40793)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 27 ft |
| Location | 02.58 E SR 3 |
| NBI structure number | 080484 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Rush County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 3MAIN Street over Hodges Branch | 2007 | 11,271 | Good |
| US 52 over Flatrock River | 1988 | 11,165 | Fair |
| SR 3 over Little Flatrock River | 1980 | 6,102 | Fair |
| SR 3 over Wolfe Creek | 2005 | 6,102 | Fair |
| SR 3 over Br Little Flatrock River | 2005 | 6,035 | Good |
| SR 3 over Harrigan Branch | 1933 | 5,597 | Fair |
All bridges nearby: Rush County, IN bridge conditions · every bridge in Rush County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.