21st Street over South Copper Creek
GoodJackson County, Iowa · 0.3 MI W of 445th Ave · Structure no. 000000000362831
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 35 ft
- 1 main span
- Daily traffic
- 78
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
21st Street over South Copper Creek is a steel stringer/multi-beam or girder carrying 21st Street over South Copper Creek in Jackson County, Iowa. It was built in 2023, so it is 2 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 78 vehicles a day, projected to reach 78 by 2043. The structure is 35 ft (10.7 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 21st Street over South Copper Creek built?
It was built in 2023, making it 2 years old in 2025.
What condition is 21st Street over South Copper 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 December 2023.
How much traffic does 21st Street over South Copper Creek carry?
About 78 vehicles per day (2022 count).
How long is 21st Street over South Copper Creek?
The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.
Who owns 21st Street over South Copper Creek?
It is owned by the County Highway Agency.