Bridge conditions in Faulk County, South Dakota
46 inventoried bridges · 11 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 46 Faulk County bridges in the federal inventory, 11 carry a poor rating. That 23.9% share is roughly 4x the national average.
- 11 of the 46 bridges in Faulk County, South Dakota, are rated in poor condition (23.9%) in the 2025 National Bridge Inventory, as of .
- 8 bridges (17.4%) are rated good and 27 (58.7%) fair.
- The median Faulk County bridge was built in 1973.
- The busiest poor-rated bridge is US212 over South Fork Snake Ck (built 1939), carrying about 688 vehicles a day.
Good 17.4% · Fair 58.7% · Poor 23.9% of 46 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 |
|---|---|---|---|
| US212 over South Fork Snake Ck | 1939 | 688 | Poor |
| 372ND Avenue over Dove Creek | 1980 | 205 | Poor |
| 361ST Avenue over N Fork of Snake Creek | 1979 | 136 | Poor |
| 343RD Avenue over S Fork Snake Creek | 1930 | 60 | Poor |
| 169TH Street over Bryant Creek | 1934 | 55 | Poor |
| 10TH Avenue over S Fork Snake Creek | 1932 | 50 | Poor |
| 367TH Avenue over S Fork Snake Creek | 1930 | 38 | Poor |
| 364TH Avenue over Bryant Creek | 1928 | 36 | Poor |
| 365TH Avenue over Dove Creek | 1929 | 36 | Poor |
| 370TH Avenue over S Fork Snake Creek | 1920 | 36 | Poor |
| 161ST Street over S Fork Snake Creek | 1930 | 36 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SD045 over South Fork Snake Ck | 1975 | 855 | Fair |
| US212 over Trib Ford Lake | 2021 | 717 | Good |
| US212 over Trib S Fork Snake Ck | 2021 | 717 | Good |
| US212 over Dry Run Ck | 2008 | 710 | Fair |
| US212 over South Fork Snake Ck | 1939 | 688 | Poor |
| SD020 over Ck | 1975 | 661 | Fair |
| SD020 over North Fork Snake Ck | 1959 | 578 | Fair |
| 353RD Avenue over S Fork Snake Creek | 1952 | 402 | Fair |
| 372ND Avenue over Dove Creek | 1980 | 205 | Poor |
| 152ND Street over N Fork of Snake Creek | 1951 | 144 | Fair |
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.