SD036EF (cord #11) over Grace Coolidge Ck
GoodCuster County, South Dakota · 4 MI S. & 5.3 W. Hermosa · Structure no. 000000017377059
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected March 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 570
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SD036EF (cord #11) over Grace Coolidge Ck is a concrete continuous culvert carrying SD036EF (cord #11) over Grace Coolidge Ck in Custer County, South Dakota. It was built in 2001, so it is 24 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 570 vehicles a day, roughly 8% of them trucks, projected to reach 785 by 2043. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 62.1 mi (100 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 | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD036EF (cord #11) over Grace Coolidge Ck built?
It was built in 2001, making it 24 years old in 2025.
What condition is SD036EF (cord #11) 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 March 2024.
How much traffic does SD036EF (cord #11) over Grace Coolidge Ck carry?
About 570 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is SD036EF (cord #11) over Grace Coolidge Ck?
The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m).
Who owns SD036EF (cord #11) over Grace Coolidge Ck?
It is owned by the State Highway Agency.