417TH Avenue over Pearl Creek
Beadle County, South Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 417TH Avenue over Pearl Creek in Beadle County, South Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2009, making it 16 years old at the 2025 inventory.
- It carries about 56 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 71 of the 150 inventoried bridges in Beadle County rated fair (47.3%); 40 (26.7%) 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 → (44.55331, -97.8765)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Steel culvert |
| Length | about 45 ft |
| Location | 12.5N & 1W of Iroquois |
| NBI structure number | 000000003410055 |
| Condition class | Fair |
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.