392 Avenue over Sand Ck
Jerauld County, South Dakota · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 392 Avenue over Sand Ck in Jerauld County, South Dakota, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 4 (poor condition) on the 0-9 scale.
- It was built in 2008, making it 17 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 8 of the 35 inventoried bridges in Jerauld County rated poor (22.9%); 8 (22.9%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (44.13882, -98.37232)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 4 | Poor condition |
Bridge details
| Structure | Steel culvert |
| Length | about 40 ft |
| Location | 3.1S & 0.3W Alpena |
| NBI structure number | 000000037280041 |
| Condition class | Poor |
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.