391 Ave over West Firesteel Ck
PoorPosted for loadAurora County, South Dakota · 5E 6.8N Plankinton · Structure no. 000000002210082
- Built
- 1925
- 100 years old, rebuilt 1960
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 60 ft
- 3 main spans
- Daily traffic
- 33
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
391 Ave over West Firesteel Ck is a steel continuous stringer/multi-beam or girder carrying 391 Ave over West Firesteel Ck in Aurora County, South Dakota. It was built in 1925 and reconstructed in 1960, 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 33 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 60 ft (18.3 m) long and 18 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 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 391 Ave over West Firesteel Ck built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1960.
What condition is 391 Ave over West Firesteel Ck 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 August 2024.
How much traffic does 391 Ave over West Firesteel Ck carry?
About 33 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 391 Ave over West Firesteel Ck?
The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 18 ft wide.
Who owns 391 Ave over West Firesteel Ck?
It is owned by the County Highway Agency.