40940 306th Street over Trib. to Emanuel Creek
FairBon Homme County, South Dakota · 6.6W & 2S of Tyndall · Structure no. 000000005084150
- Built
- 1930
- 95 years old, rebuilt 1994
- Condition
- Fair
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
40940 306th Street over Trib. to Emanuel Creek is a concrete continuous slab carrying 40940 306th Street over Trib. to Emanuel Creek in Bon Homme County, South Dakota. It was built in 1930 and reconstructed in 1994, 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 23 ft (7.1 m) long and 28 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 40940 306th Street over Trib. to Emanuel Creek built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1994.
What condition is 40940 306th Street over Trib. to Emanuel 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 40940 306th Street over Trib. to Emanuel Creek carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 40940 306th Street over Trib. to Emanuel Creek?
The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3.2 m) and a deck 28 ft wide.
Who owns 40940 306th Street over Trib. to Emanuel Creek?
It is owned by the County Highway Agency.