SD037 over Mud Ck
FairBrown County, South Dakota · 4.4 S JCT US 12 · Structure no. 000000007300375
- Built
- 1953
- 72 years old
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 92 ft
- 4 main spans
- Daily traffic
- 993
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD037 over Mud Ck is a concrete continuous slab carrying SD037 over Mud Ck in Brown County, South Dakota. It was built in 1953, so it is 72 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 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 993 vehicles a day, roughly 16% of them trucks, projected to reach 1,317 by 2044. The structure is 92 ft (28 m) long and 34 ft wide. If it were closed, the detour would be 41 mi (66 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD037 over Mud Ck built?
It was built in 1953, making it 72 years old in 2025.
What condition is SD037 over Mud 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 SD037 over Mud Ck carry?
About 993 vehicles per day (2024 count), of which roughly 16% are trucks.
How long is SD037 over Mud Ck?
The structure is 92 ft (28 m) long with a longest span of 23 ft (7.1 m) and a deck 34 ft wide.
Who owns SD037 over Mud Ck?
It is owned by the State Highway Agency.