177TH Street over Foster Creek
Clark County, South Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 177TH Street over Foster Creek in Clark County, South Dakota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2023, making it 2 years old at the 2025 inventory.
- It carries about 39 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 11 of the 21 inventoried bridges in Clark County rated good (52.4%); 1 (4.8%) 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 → (44.81991, -97.93022)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 28 ft |
| Location | 6.0S & 0.3E Raymond |
| NBI structure number | 000000013023230 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Clark County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 414TH Avenue over Creek | 1956 | 450 | Fair |
| 414TH Avenue over Creek | 1956 | 389 | Fair |
| SD028 over Shue Ck | 2016 | 302 | Fair |
| SD028 over Br Shue Ck | 2016 | 302 | Fair |
| 414TH Avenue over Creek | 1956 | 245 | Good |
| 414TH Avenue over Fordham Creek | 1956 | 236 | Fair |
All bridges nearby: Clark County, SD bridge conditions · every bridge in Clark County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.