379TH Avenue over Cain Creek
Beadle County, South Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 379TH Avenue over Cain Creek in Beadle 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 2018, making it 7 years old at the 2025 inventory.
- It carries about 35 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 39 of the 150 inventoried bridges in Beadle County rated good (26.0%); 40 (26.7%) 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 → (44.46403, -98.59972)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 42 ft |
| Location | 5E & 0.4N of Wessington |
| NBI structure number | 000000003050116 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Beadle County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Third Street over James Rv | 1982 | 4,828 | Fair |
| US014 over James Rv | 1960 | 3,601 | Poor |
| US014 over Cain Ck | 1976 | 2,802 | Fair |
| 387TH Avenue over Cain Creek | 1935 | 2,600 | Fair |
| US014 W over Ravine Lk | 1960 | 2,472 | Fair |
| US014 E over Ravine Lk | 1960 | 2,472 | Fair |
All bridges nearby: Beadle County, SD bridge conditions · every bridge in Beadle County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.