Fdr 181 over Castle Creek
GoodPennington County, South Dakota · T 1 N R 4 E Sec 8 · Structure no. 020306000010002
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected May 2024
- Type
- Slab
- Wood or Timber
- Length
- 36 ft
- 1 main span
- Daily traffic
- 25
- 1991 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Fdr 181 over Castle Creek is a wood or timber slab carrying Fdr 181 over Castle Creek in Pennington County, South Dakota. It was built in 1985, so it is 40 years old, younger than the South Dakota average of 48.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 25 vehicles a day, projected to reach 37 by 2045. The structure is 36 ft (11 m) long and 16 ft wide. If it were closed, the detour would be 7.5 mi (12 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Fdr 181 over Castle Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is Fdr 181 over Castle Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.
How much traffic does Fdr 181 over Castle Creek carry?
About 25 vehicles per day (1991 count).
How long is Fdr 181 over Castle Creek?
The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 16 ft wide.
Who owns Fdr 181 over Castle Creek?
It is owned by the U.S. Forest Service.