28830 421 Ave. over South Br Lonetree Ck
FairHutchinson County, South Dakota · 9.6E & 1.3S Tripp · Structure no. 000000034170203
- Built
- 1939
- 86 years old
- Condition
- Fair
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 36 ft
- 2 main spans
- Daily traffic
- 69
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
28830 421 Ave. over South Br Lonetree Ck is a concrete continuous slab carrying 28830 421 Ave. over South Br Lonetree Ck in Hutchinson County, South Dakota. It was built in 1939, so it is 86 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 69 vehicles a day, roughly 2% of them trucks, projected to reach 69 by 2032. The structure is 36 ft (11.1 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 28830 421 Ave. over South Br Lonetree Ck built?
It was built in 1939, making it 86 years old in 2025.
What condition is 28830 421 Ave. over South Br Lonetree 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 May 2024.
How much traffic does 28830 421 Ave. over South Br Lonetree Ck carry?
About 69 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 28830 421 Ave. over South Br Lonetree Ck?
The structure is 36 ft (11.1 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.
Who owns 28830 421 Ave. over South Br Lonetree Ck?
It is owned by the County Highway Agency.