139th Street over Moccasin Creek
FairBrown County, South Dakota · 3N & 0.4W of Warner · Structure no. 000000007106390
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 98
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
139th Street over Moccasin Creek is a prestressed concrete tee beam carrying 139th Street over Moccasin Creek in Brown County, South Dakota. It was built in 1983, so it is 42 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 46 ft (14 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 139th Street over Moccasin Creek built?
It was built in 1983, making it 42 years old in 2025.
What condition is 139th Street over Moccasin 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 139th Street over Moccasin Creek carry?
About 98 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 139th Street over Moccasin Creek?
The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.
Who owns 139th Street over Moccasin Creek?
It is owned by the County Highway Agency.