W 21st Street over Marne Creek
GoodYankton County, South Dakota · W 21st Street - Yankton · Structure no. 000000068119192
- Built
- 1973
- 52 years old, rebuilt 1998
- Condition
- Good
- inspected October 2024
- Type
- Culvert
- Steel
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 6,324
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
W 21st Street over Marne Creek is a steel culvert carrying W 21st Street over Marne Creek in Yankton County, South Dakota. It was built in 1973 and reconstructed in 1998, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 6,324 vehicles a day, roughly 2% of them trucks, projected to reach 6,324 by 2032. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 0.6 mi (1 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was W 21st Street over Marne Creek built?
It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1998.
What condition is W 21st Street over Marne Creek 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 October 2024.
How much traffic does W 21st Street over Marne Creek carry?
About 6,324 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is W 21st Street over Marne Creek?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).
Who owns W 21st Street over Marne Creek?
It is owned by the City or Municipal Highway Agency.