30830 405th Ave over Trib. to Choteau Creek
PoorPosted for loadBon Homme County, South Dakota · 6.3 S 1 W Avon · Structure no. 000000005040173
- Built
- 1935
- 90 years old
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 34 ft
- 1 main span
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30830 405th Ave over Trib. to Choteau Creek is a steel stringer/multi-beam or girder carrying 30830 405th Ave over Trib. to Choteau Creek in Bon Homme County, South Dakota. It was built in 1935, so it is 90 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 poor condition with a lowest component rating of 4 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 34 ft (10.4 m) long and 20 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 30830 405th Ave over Trib. to Choteau Creek built?
It was built in 1935, making it 90 years old in 2025.
What condition is 30830 405th Ave over Trib. to Choteau 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 May 2023.
How much traffic does 30830 405th Ave over Trib. to Choteau Creek carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 30830 405th Ave over Trib. to Choteau Creek?
The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.
Who owns 30830 405th Ave over Trib. to Choteau Creek?
It is owned by the County Highway Agency.