378 Ave over West Firesteel Ck
PoorPosted for loadAurora County, South Dakota · 8.5N 4.7E White Lake · Structure no. 000000002097056
- Built
- 1936
- 89 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 146 ft
- 4 main spans
- Daily traffic
- 62
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
378 Ave over West Firesteel Ck is a steel stringer/multi-beam or girder carrying 378 Ave over West Firesteel Ck in Aurora County, South Dakota. It was built in 1936, so it is 89 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 62 vehicles a day, roughly 3% of them trucks, projected to reach 62 by 2032. The structure is 146 ft (44.5 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 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 | 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 378 Ave over West Firesteel Ck built?
It was built in 1936, making it 89 years old in 2025.
What condition is 378 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 378 Ave over West Firesteel Ck carry?
About 62 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 378 Ave over West Firesteel Ck?
The structure is 146 ft (44.5 m) long with a longest span of 36 ft (11 m) and a deck 27 ft wide.
Who owns 378 Ave over West Firesteel Ck?
It is owned by the County Highway Agency.