State Park RD over Grace Coolidge Creek
PoorPosted for loadCuster County, South Dakota · 8.6E 3.7N of Custer · Structure no. 000000017316043
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 27 ft
- 1 main span
- Daily traffic
- 100
- 2022 count
- Owner
- State
- Other State Agency
About this bridge
State Park RD over Grace Coolidge Creek is a steel stringer/multi-beam or girder carrying State Park RD over Grace Coolidge Creek in Custer County, South Dakota. It was built in 1950, so it is 75 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 100 by 2032. The structure is 27 ft (8.3 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Park RD over Grace Coolidge Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is State Park RD over Grace Coolidge Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does State Park RD over Grace Coolidge Creek carry?
About 100 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is State Park RD over Grace Coolidge Creek?
The structure is 27 ft (8.3 m) long with a longest span of 26 ft (7.9 m) and a deck 20 ft wide.
Who owns State Park RD over Grace Coolidge Creek?
It is owned by the Other State Agency.