Every bridge in Bennett County, South Dakota
15 inventoried bridges, busiest first
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Bennett County, South Dakota, has 15 bridges in the 2025 National Bridge Inventory: 2 rated good, 10 fair, and 3 poor (as of ).
- This index lists every one of them, busiest first; each links to its own condition record.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US018 over Ck | 1951 | 906 | Fair |
| US018 over Trib Little White Rv | 2020 | 573 | Good |
| SD073 over Lake Ck | 1964 | 522 | Fair |
| SD073 over Little White Rv | 1964 | 522 | Fair |
| Irr Bia Rte Allen over Trib of White River | 2017 | 300 | Good |
| 231 Avenue over Ck | 1954 | 123 | Fair |
| 290 Street over Ck | 1954 | 123 | Fair |
| 231 Avenue over Lake Ck | 1954 | 120 | Fair |
| 231 Avenue over Little White Rv | 1976 | 119 | Fair |
| 220 Avenue over Bear In the Lodge Ck | 1963 | 40 | Fair |
| 220 Avenue over Bear In the Lodge Ck | 1958 | 40 | Fair |
| 220 Avenue over Lake Ck | 1950 | 40 | Poor |
| 205 Avenue over Ck | 1932 | 37 | Poor |
| 295 Street over Ck | 1932 | 27 | Poor |
| Auto Tour Road over Lake Creek | 1936 | 15 | Fair |
Source: FHWA National Bridge Inventory, 2025.
Bennett 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.