146th Street over Snake Creek
FairBrown County, South Dakota · 2.0N & 7.4W of Mansfield · Structure no. 000000007006460
- Built
- 2004
- 21 years old
- Condition
- Fair
- inspected July 2024
- Type
- Culvert
- Steel
- Length
- 43 ft
- 4 main spans
- Daily traffic
- 98
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
146th Street over Snake Creek is a steel culvert carrying 146th Street over Snake Creek in Brown County, South Dakota. It was built in 2004, so it is 21 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 43 ft (13.1 m) long. 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 146th Street over Snake Creek built?
It was built in 2004, making it 21 years old in 2025.
What condition is 146th 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 146th Street over Snake Creek carry?
About 98 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 146th Street over Snake Creek?
The structure is 43 ft (13.1 m) long with a longest span of 8 ft (2.4 m).
Who owns 146th Street over Snake Creek?
It is owned by the County Highway Agency.