41690 308th Street over Silver Creek
FairBon Homme County, South Dakota · 4S & 0.1W of Tyndall · Structure no. 000000005159170
- Built
- 1930
- 95 years old, rebuilt 1983
- Condition
- Fair
- inspected May 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
41690 308th Street over Silver Creek is a prestressed concrete tee beam carrying 41690 308th Street over Silver Creek in Bon Homme County, South Dakota. It was built in 1930 and reconstructed in 1983, so it is 95 years old, older than the South Dakota average of 48.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 41690 308th Street over Silver Creek built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1983.
What condition is 41690 308th Street over Silver Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.
How much traffic does 41690 308th Street over Silver Creek carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 41690 308th Street over Silver Creek?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.
Who owns 41690 308th Street over Silver Creek?
It is owned by the County Highway Agency.