355TH Avenue over S Fork Snake Creek
Faulk County, South Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 355TH Avenue over S Fork Snake Creek in Faulk County, South Dakota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2010, making it 15 years old at the 2025 inventory.
- It carries about 136 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 8 of the 46 inventoried bridges in Faulk County rated good (17.4%); 11 (23.9%) 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 → (45.03985, -99.08335)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 64 ft |
| Location | 2E & 0.2N Faulkton |
| NBI structure number | 000000025240142 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Faulk 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 |
All bridges nearby: Faulk County, SD bridge conditions · every bridge in Faulk County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.