31270 473rd Ave over Brule Ck
FairUnion County, South Dakota · 1E & 14.7S Beresford · Structure no. 000000064030157
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 98 ft
- 2 main spans
- Daily traffic
- 30
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
31270 473rd Ave over Brule Ck is a prestressed concrete tee beam carrying 31270 473rd Ave over Brule Ck in Union County, South Dakota. It was built in 1976, so it is 49 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 30 by 2032. The structure is 98 ft (29.9 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 31270 473rd Ave over Brule Ck built?
It was built in 1976, making it 49 years old in 2025.
What condition is 31270 473rd Ave over Brule 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 July 2024.
How much traffic does 31270 473rd Ave over Brule Ck carry?
About 30 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 31270 473rd Ave over Brule Ck?
The structure is 98 ft (29.9 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.
Who owns 31270 473rd Ave over Brule Ck?
It is owned by the County Highway Agency.