Bridge conditions in Kingsbury County, South Dakota
35 inventoried bridges · 10 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 4 bridges in Kingsbury County is rated in poor condition: 10 of 35 on the federal inventory, one of the higher shares in South Dakota.
- 10 of the 35 bridges in Kingsbury County, South Dakota, are rated in poor condition (28.6%) in the 2025 National Bridge Inventory, as of .
- 6 bridges (17.1%) are rated good and 19 (54.3%) fair.
- The median Kingsbury County bridge was built in 1965.
- The busiest poor-rated bridge is 208TH St over South Fork Pearl Ck (built 1933), carrying about 913 vehicles a day.
Good 17.1% · Fair 54.3% · Poor 28.6% of 35 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 208TH St over South Fork Pearl Ck | 1933 | 913 | Poor |
| 208TH St over Ck | 1932 | 220 | Poor |
| 212TH St over Lake Whitewood | 1978 | 104 | Poor |
| 425TH Ave over Ck | 1935 | 95 | Poor |
| 209TH St over Ck | 1930 | 35 | Poor |
| 206TH Street over Redstone Ck | 1940 | 27 | Poor |
| 203RD St over South Fork Pearl Ck | 1930 | 15 | Poor |
| 207TH St over Redstone Ck | 1935 | 15 | Poor |
| 210TH Street over Redstone Ck | 1950 | 15 | Poor |
| 220TH St over Rock Ck | 1987 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US014 over Ck | 1988 | 2,420 | Fair |
| US014 over Ck | 1975 | 2,255 | Fair |
| US014 over South Fork Pearl Ck | 1965 | 1,743 | Fair |
| US014 over Redstone Ck | 1987 | 1,693 | Fair |
| SD025 over Ck | 2023 | 1,279 | Good |
| 208TH St over South Fork Pearl Ck | 1933 | 913 | Poor |
| 200TH St over Redstone Ck | 1978 | 557 | Fair |
| 218 St over Lk Thompson Outlet | 1988 | 415 | Fair |
| 200TH St over Ck | 1955 | 400 | Fair |
| 208TH St over Ck | 1932 | 220 | Poor |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of South Dakota: South Dakota bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.