Twnshp RD 485th Av over Crow Timber Ck
FairPosted for loadDeuel County, South Dakota · 9E & 2.2N Tunerville · Structure no. 000000020190038
- Built
- 1940
- 85 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 34 ft
- 1 main span
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Twnshp RD 485th Av over Crow Timber Ck is a steel stringer/multi-beam or girder carrying Twnshp RD 485th Av over Crow Timber Ck in Deuel County, South Dakota. It was built in 1940, so it is 85 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 20 vehicles a day, roughly 2% of them trucks, projected to reach 20 by 2032. The structure is 34 ft (10.3 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Twnshp RD 485th Av over Crow Timber Ck built?
It was built in 1940, making it 85 years old in 2025.
What condition is Twnshp RD 485th Av over Crow Timber Ck in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does Twnshp RD 485th Av over Crow Timber Ck carry?
About 20 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Twnshp RD 485th Av over Crow Timber Ck?
The structure is 34 ft (10.3 m) long with a longest span of 32 ft (9.8 m) and a deck 22 ft wide.
Who owns Twnshp RD 485th Av over Crow Timber Ck?
It is owned by the County Highway Agency.