146th Street over Mud Creek
GoodBrown County, South Dakota · 3S & 1.1E of Stratford · Structure no. 000000007211460
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 85 ft
- 3 main spans
- Daily traffic
- 98
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
146th Street over Mud Creek is a concrete continuous slab carrying 146th Street over Mud Creek in Brown County, South Dakota. It was built in 1989, so it is 36 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 98 vehicles a day, roughly 2% of them trucks, projected to reach 98 by 2032. The structure is 85 ft (25.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 146th Street over Mud Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is 146th Street over Mud Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does 146th Street over Mud Creek carry?
About 98 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 146th Street over Mud Creek?
The structure is 85 ft (25.9 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.
Who owns 146th Street over Mud Creek?
It is owned by the County Highway Agency.