SR 550 over South Fork Smalls Creek
Knox County, Indiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 550 over South Fork Smalls Creek in Knox 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 1995, making it 30 years old at the 2025 inventory.
- It carries about 1,846 vehicles a day (traffic count year 2004).
- Its listed owner is the state highway agency.
- It is one of 117 of the 290 inventoried bridges in Knox County rated good (40.3%); 13 (4.5%) 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 → (38.74284, -87.39619)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 27 ft |
| Location | 01.31 E SR 67 |
| NBI structure number | 032950 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Knox County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 41 NB over 2 City Streets CSX RR | 1961 | 21,710 | Good |
| US 41 SB over 2 City Streets CSX RR | 1961 | 21,710 | Good |
| US 41 NB (middle) over US 50 WB Ramp to US 41 S | 1967 | 19,317 | Good |
| Hart Street over US 41 Nb/sb | 1967 | 17,173 | Fair |
| US 41 NB over Snapp Creek | 1963 | 15,500 | Good |
| US 41 SB over Snapp Creek | 1963 | 15,500 | Good |
All bridges nearby: Knox County, IN bridge conditions · every bridge in Knox County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.