138th Street over Mud Creek
FairBrown County, South Dakota · 4N & 3.1E of Ferney · Structure no. 000000007331380
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 12
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
138th Street over Mud Creek is a prestressed concrete tee beam carrying 138th Street over Mud 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 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 12 vehicles a day, roughly 2% of them trucks, projected to reach 12 by 2032. The structure is 51 ft (15.5 m) long and 31 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 | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 138th Street over Mud Creek built?
It was built in 1983, making it 42 years old in 2025.
What condition is 138th Street over Mud 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 September 2024.
How much traffic does 138th Street over Mud Creek carry?
About 12 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 138th Street over Mud Creek?
The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.
Who owns 138th Street over Mud Creek?
It is owned by the County Highway Agency.