SD045 over Ck
Brule County, South Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SD045 over Ck in Brule County, South Dakota, 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 1948 and reconstructed in 2000, making it 77 years old at the 2025 inventory.
- It carries about 963 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 12 of the 38 inventoried bridges in Brule County rated good (31.6%); 3 (7.9%) 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 → (43.70964, -98.85441)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 23 ft |
| Location | 1.9 S I 90 Interch |
| NBI structure number | 000000008310155 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Brule County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I090 over Ck | 1964 | 7,670 | Good |
| I090 over Mo. Rv (francis Case Lk) | 1974 | 7,260 | Fair |
| I090 over Main St R&w RR | 1974 | 7,260 | Good |
| I090 W over 356 Ave | 1964 | 5,059 | Good |
| I090 E over 356 Ave | 1964 | 5,059 | Good |
| I090 W over 251 St | 2006 | 5,059 | Good |
All bridges nearby: Brule County, SD bridge conditions · every bridge in Brule County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.