29470 381st Avenue over Creek
PoorPosted for loadCharles Mix County, South Dakota · 2.7S & 1.0W of Lake Andes · Structure no. 000000012370267
- Built
- 1979
- 46 years old
- Condition
- Poor
- inspected October 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 48
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
29470 381st Avenue over Creek is a prestressed concrete tee beam carrying 29470 381st Avenue over Creek in Charles Mix County, South Dakota. It was built in 1979, so it is 46 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 48 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2032. The structure is 51 ft (15.5 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 29470 381st Avenue over Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is 29470 381st Avenue over Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.
How much traffic does 29470 381st Avenue over Creek carry?
About 48 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 29470 381st Avenue over Creek?
The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 20 ft wide.
Who owns 29470 381st Avenue over Creek?
It is owned by the County Highway Agency.