30710 406th Avenue over Trib. to Choteau Creek
PoorPosted for loadBon Homme County, South Dakota · 4.1S of Avon · Structure no. 000000005050161
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 31 ft
- 1 main span
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30710 406th Avenue over Trib. to Choteau Creek is a steel stringer/multi-beam or girder carrying 30710 406th Avenue over Trib. to Choteau Creek in Bon Homme County, South Dakota. It was built in 1930, so it is 95 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 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 31 ft (9.4 m) long and 25 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 30710 406th Avenue over Trib. to Choteau Creek built?
It was built in 1930, making it 95 years old in 2025.
What condition is 30710 406th Avenue 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 July 2024.
How much traffic does 30710 406th Avenue over Trib. to Choteau Creek carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 30710 406th Avenue over Trib. to Choteau Creek?
The structure is 31 ft (9.4 m) long with a longest span of 22 ft (6.7 m) and a deck 25 ft wide.
Who owns 30710 406th Avenue over Trib. to Choteau Creek?
It is owned by the County Highway Agency.