SR 25 over Robinson Branch
Carroll County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 25 over Robinson Branch in Carroll County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1963 and reconstructed in 1991, making it 62 years old at the 2025 inventory.
- It carries about 8,297 vehicles a day (traffic count year 2004).
- Its listed owner is a city or municipal highway agency.
- It is one of 97 of the 160 inventoried bridges in Carroll County rated fair (60.6%); 2 (1.2%) 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 → (40.59159, -86.65957)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 101 ft |
| Location | 00.86 N US 421 |
| NBI structure number | 006430 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Carroll County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 421 over Deer Creek | 2000 | 10,908 | Good |
| SR 25 SB over Bridge Creek | 2012 | 9,437 | Good |
| SR 25 over Unt Bridge Creek | 2013 | 9,400 | Fair |
| US 421 over Wabash River | 1996 | 9,092 | Fair |
| Old SR 25 over Deer Creek | 1931 | 8,270 | Fair |
| North Street over US 421 | 1935 | 7,683 | Fair |
All bridges nearby: Carroll County, IN bridge conditions · every bridge in Carroll County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.