221st Street over Elm Creek
FairBuffalo County, South Dakota · 10N & 13W of Gann Valley · Structure no. 000000009160010
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected June 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 41
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
221st Street over Elm Creek is a prestressed concrete tee beam carrying 221st Street over Elm Creek in Buffalo County, South Dakota. It was built in 1975, so it is 50 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.
It carries about 41 vehicles a day, roughly 2% of them trucks, projected to reach 41 by 2032. The structure is 51 ft (15.5 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 221st Street over Elm Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is 221st Street over Elm Creek 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 June 2023.
How much traffic does 221st Street over Elm Creek carry?
About 41 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 221st Street over Elm Creek?
The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 15 ft wide.
Who owns 221st Street over Elm Creek?
It is owned by the County Highway Agency.