Every bridge in Clark County, South Dakota
21 inventoried bridges, busiest first
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Clark County, South Dakota, has 21 bridges in the 2025 National Bridge Inventory: 11 rated good, 9 fair, and 1 poor (as of ).
- This index lists every one of them, busiest first; each links to its own condition record.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 414TH Avenue over Creek | 1956 | 450 | Fair |
| 414TH Avenue over Creek | 1956 | 389 | Fair |
| SD028 over Br Shue Ck | 2016 | 302 | Fair |
| SD028 over Shue Ck | 2016 | 302 | Fair |
| 414TH Avenue over Creek | 1956 | 245 | Good |
| 414TH Avenue over Fordham Creek | 1956 | 236 | Fair |
| 415TH Avenue over Creek | 1949 | 182 | Fair |
| 415TH Avenue over Creek | 1949 | 176 | Fair |
| 414TH Avenue over Creek | 1956 | 158 | Good |
| 415TH Ave over Foster Creek | 2024 | 140 | Good |
| 415TH Avenue over Tributary Foster Creek | 2012 | 140 | Good |
| 185TH Street over Trib Shue Ck | 2018 | 50 | Good |
| 413TH Avenue over Creek | 2020 | 42 | Good |
| 177TH Street over Foster Creek | 2023 | 39 | Good |
| 413TH Avenue over Creek | 2017 | 39 | Good |
| 417TH Avenue over Creek | 2022 | 39 | Good |
| 417TH Avenue over Creek | 1981 | 39 | Fair |
| 418TH Avenue over Creek | 2018 | 39 | Good |
| 418TH Avenue over Creek | 1932 | 39 | Fair |
| 419TH Avenue over Creek | 1983 | 39 | Poor |
| 413TH Avenue over Foster Creek | 2012 | 20 | Good |
Source: FHWA National Bridge Inventory, 2025.
Clark County bridge conditions · South Dakota bridges by county.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.