391 Ave over Sand Ck
Jerauld County, South Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 391 Ave over Sand Ck in Jerauld County, South Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 60 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 19 of the 35 inventoried bridges in Jerauld County rated fair (54.3%); 8 (22.9%) 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 → (44.14719, -98.3926)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Steel culvert |
| Length | about 52 ft |
| Location | 2.6S 1.3W Alpena |
| NBI structure number | 000000037270036 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Jerauld County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US281 over Sand Ck | 1958 | 1,385 | Fair |
| SD034 over East Br Smith Ck | 1952 | 1,218 | Fair |
| SD034 over Firesteel Ck | 1963 | 1,218 | Fair |
| SD034 over Morris Ck | 1963 | 1,137 | Good |
| SD034 over Br Crow Ck | 1952 | 514 | Fair |
| SD034 over Br Crow Ck | 1952 | 514 | Fair |
All bridges nearby: Jerauld County, SD bridge conditions · every bridge in Jerauld County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.