S 11th Street over French Ck
FairPosted for loadCuster County, South Dakota · S 11th Street; Custer · Structure no. 000000017234071
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected August 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 100
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
S 11th Street over French Ck is a prestressed concrete tee beam carrying S 11th Street over French Ck in Custer County, South Dakota. It was built in 1973, so it is 52 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. 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 26 ft (8 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 11th Street over French Ck built?
It was built in 1973, making it 52 years old in 2025.
What condition is S 11th Street over French 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 August 2023.
How much traffic does S 11th Street over French Ck carry?
About 100 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is S 11th Street over French Ck?
The structure is 26 ft (8 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.
Who owns S 11th Street over French Ck?
It is owned by the Town or Township Highway Agency.