SD087 over Grace Coolidge Ck
GoodCuster County, South Dakota · 4.9 N JCT US 16A · Structure no. 000000017302039
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected June 2021
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 824
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD087 over Grace Coolidge Ck is a concrete continuous culvert carrying SD087 over Grace Coolidge Ck in Custer County, South Dakota. It was built in 2005, so it is 20 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 824 vehicles a day, roughly 1% of them trucks, projected to reach 1,344 by 2044. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 29.8 mi (48 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD087 over Grace Coolidge Ck built?
It was built in 2005, making it 20 years old in 2025.
What condition is SD087 over Grace Coolidge Ck 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 June 2021.
How much traffic does SD087 over Grace Coolidge Ck carry?
About 824 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is SD087 over Grace Coolidge Ck?
The structure is 27 ft (8.1 m) long with a longest span of 13 ft (4 m).
Who owns SD087 over Grace Coolidge Ck?
It is owned by the State Highway Agency.