US016A over Grace Coolidge Ck
FairCuster County, South Dakota · 4.4 E JCT Sd 87 N · Structure no. 000000017332066
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete
- Length
- 38 ft
- 1 main span
- Daily traffic
- 1,562
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US016A over Grace Coolidge Ck is a concrete slab carrying US016A over Grace Coolidge Ck in Custer County, South Dakota. It was built in 1977, so it is 48 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,562 vehicles a day, roughly 3% of them trucks, projected to reach 2,548 by 2044. The structure is 38 ft (11.7 m) long and 36 ft wide. If it were closed, the detour would be 37.9 mi (61 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US016A over Grace Coolidge Ck built?
It was built in 1977, making it 48 years old in 2025.
What condition is US016A over Grace Coolidge 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 March 2024.
How much traffic does US016A over Grace Coolidge Ck carry?
About 1,562 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is US016A over Grace Coolidge Ck?
The structure is 38 ft (11.7 m) long with a longest span of 34 ft (10.4 m) and a deck 36 ft wide.
Who owns US016A over Grace Coolidge Ck?
It is owned by the State Highway Agency.