373 Avenue over Ck
Jerauld County, South Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 373 Avenue over 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 deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1954, making it 71 years old at the 2025 inventory.
- It carries about 160 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 → (44.01722, -98.72856)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 105 ft |
| Location | 4.4S Jct Sd 34 |
| NBI structure number | 000000037100124 |
| 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.