29140 408th Avenue over Trib. to Emanuel Creek
PoorPosted for loadBon Homme County, South Dakota · 11.6N & 8W of Tyndall · Structure no. 000000005070004
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
29140 408th Avenue over Trib. to Emanuel Creek is a concrete continuous slab carrying 29140 408th Avenue over Trib. to Emanuel 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 23 ft (7.1 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 29140 408th Avenue over Trib. to Emanuel Creek built?
It was built in 1930, making it 95 years old in 2025.
What condition is 29140 408th Avenue over Trib. to Emanuel 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 29140 408th Avenue over Trib. to Emanuel Creek carry?
About 50 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 29140 408th Avenue over Trib. to Emanuel Creek?
The structure is 23 ft (7.1 m) long with a longest span of 11 ft (3.4 m) and a deck 19 ft wide.
Who owns 29140 408th Avenue over Trib. to Emanuel Creek?
It is owned by the County Highway Agency.