147th Street over Snake Creek
FairBrown County, South Dakota · 1N & 7.3W of Mansfield · Structure no. 000000007007470
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 67 ft
- 3 main spans
- Daily traffic
- 98
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
147th Street over Snake Creek is a concrete continuous slab carrying 147th Street over Snake Creek in Brown County, South Dakota. It was built in 1990, so it is 35 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 98 vehicles a day, roughly 2% of them trucks, projected to reach 98 by 2032. The structure is 67 ft (20.4 m) long and 32 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 147th Street over Snake Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is 147th Street over Snake 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 July 2024.
How much traffic does 147th Street over Snake Creek carry?
About 98 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 147th Street over Snake Creek?
The structure is 67 ft (20.4 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.
Who owns 147th Street over Snake Creek?
It is owned by the County Highway Agency.