Belle Fourche Inle over Inlet Canal
FairButte County, South Dakota · 6E & 1.3N Belle Frch · Structure no. 000000010160353
- Built
- 1999
- 26 years old
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 103 ft
- 1 main span
- Daily traffic
- 47
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Belle Fourche Inle over Inlet Canal is a prestressed concrete tee beam carrying Belle Fourche Inle over Inlet Canal in Butte County, South Dakota. It was built in 1999, so it is 26 years old, younger 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 6 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 47 vehicles a day, roughly 2% of them trucks, projected to reach 47 by 2032. The structure is 103 ft (31.4 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Belle Fourche Inle over Inlet Canal built?
It was built in 1999, making it 26 years old in 2025.
What condition is Belle Fourche Inle over Inlet Canal 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 August 2024.
How much traffic does Belle Fourche Inle over Inlet Canal carry?
About 47 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Belle Fourche Inle over Inlet Canal?
The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 30 ft wide.
Who owns Belle Fourche Inle over Inlet Canal?
It is owned by the County Highway Agency.