148th Street over Snake Creek
FairPosted for loadBrown County, South Dakota · 7 W of Mansfield · Structure no. 000000007008480
- Built
- 1956
- 69 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 148 ft
- 3 main spans
- Daily traffic
- 420
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
148th Street over Snake Creek is a steel stringer/multi-beam or girder carrying 148th Street over Snake Creek in Brown County, South Dakota. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.
It carries about 420 vehicles a day, roughly 3% of them trucks, projected to reach 535 by 2032. The structure is 148 ft (45.1 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 148th Street over Snake Creek built?
It was built in 1956, making it 69 years old in 2025.
What condition is 148th 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 August 2023.
How much traffic does 148th Street over Snake Creek carry?
About 420 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 148th Street over Snake Creek?
The structure is 148 ft (45.1 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.
Who owns 148th Street over Snake Creek?
It is owned by the County Highway Agency.