29210 421st Avenue over Dawson Creek
PoorPosted for loadBon Homme County, South Dakota · 3W & 0.1S of Scotland · Structure no. 000000005200011
- Built
- 1925
- 100 years old, rebuilt 1972
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 32 ft
- 1 main span
- Daily traffic
- 56
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
29210 421st Avenue over Dawson Creek is a steel stringer/multi-beam or girder carrying 29210 421st Avenue over Dawson Creek in Bon Homme County, South Dakota. It was built in 1925 and reconstructed in 1972, so it is 100 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 56 vehicles a day, roughly 2% of them trucks, projected to reach 56 by 2032. The structure is 32 ft (9.8 m) long and 28 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 | 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 29210 421st Avenue over Dawson Creek built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1972.
What condition is 29210 421st Avenue over Dawson 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 29210 421st Avenue over Dawson Creek carry?
About 56 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 29210 421st Avenue over Dawson Creek?
The structure is 32 ft (9.8 m) long with a longest span of 24 ft (7.4 m) and a deck 28 ft wide.
Who owns 29210 421st Avenue over Dawson Creek?
It is owned by the County Highway Agency.