US281 S over Moccasin Ck
FairBrown County, South Dakota · 6.7 S JCT US 12 · Structure no. 000000007100397
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 172 ft
- 5 main spans
- Daily traffic
- 1,726
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US281 S over Moccasin Ck is a concrete continuous slab carrying US281 S over Moccasin Ck in Brown County, South Dakota. It was built in 1972, so it is 53 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 1,726 vehicles a day, roughly 20% of them trucks, projected to reach 2,289 by 2044. The structure is 172 ft (52.5 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US281 S over Moccasin Ck built?
It was built in 1972, making it 53 years old in 2025.
What condition is US281 S over Moccasin Ck 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 June 2024.
How much traffic does US281 S over Moccasin Ck carry?
About 1,726 vehicles per day (2024 count), of which roughly 20% are trucks.
How long is US281 S over Moccasin Ck?
The structure is 172 ft (52.5 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.
Who owns US281 S over Moccasin Ck?
It is owned by the State Highway Agency.