29600 426th Avenue over Prairie Creek
PoorPosted for loadBon Homme County, South Dakota · 3S & 2E of Scotland · Structure no. 000000005250050
- Built
- 1905
- 120 years old, rebuilt 1966
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 34 ft
- 2 main spans
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
29600 426th Avenue over Prairie Creek is a steel stringer/multi-beam or girder carrying 29600 426th Avenue over Prairie Creek in Bon Homme County, South Dakota. It was built in 1905 and reconstructed in 1966, so it is 120 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 22 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 29600 426th Avenue over Prairie Creek built?
It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1966.
What condition is 29600 426th Avenue over Prairie 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 29600 426th Avenue over Prairie Creek carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 29600 426th Avenue over Prairie Creek?
The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 22 ft wide.
Who owns 29600 426th Avenue over Prairie Creek?
It is owned by the County Highway Agency.