243rd Ave. over Mitchell Ck
FairPosted for loadHaakon County, South Dakota · 4 W & 6.2 N Midland · Structure no. 000000028380408
- Built
- 1965
- 60 years old, rebuilt 1970
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 28
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
243rd Ave. over Mitchell Ck is a prestressed concrete tee beam carrying 243rd Ave. over Mitchell Ck in Haakon County, South Dakota. It was built in 1965 and reconstructed in 1970, so it is 60 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. Its operating status is: posted for load restriction.
It carries about 28 vehicles a day, roughly 2% of them trucks, projected to reach 28 by 2032. The structure is 50 ft (15.2 m) long and 19 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 243rd Ave. over Mitchell Ck built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1970.
What condition is 243rd Ave. over Mitchell 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 September 2024.
How much traffic does 243rd Ave. over Mitchell Ck carry?
About 28 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 243rd Ave. over Mitchell Ck?
The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 19 ft wide.
Who owns 243rd Ave. over Mitchell Ck?
It is owned by the County Highway Agency.