280th Street over Allen Creek
GoodHarrison County, Iowa · 078440501 · Structure no. 000000000177672
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected January 2024
- Type
- Slab
- Concrete Continuous
- Length
- 80 ft
- 3 main spans
- Daily traffic
- 45
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
280th Street over Allen Creek is a concrete continuous slab carrying 280th Street over Allen Creek in Harrison County, Iowa. It was built in 2020, so it is 5 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 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 45 vehicles a day, projected to reach 45 by 2044. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 280th Street over Allen Creek built?
It was built in 2020, making it 5 years old in 2025.
What condition is 280th Street over Allen 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 January 2024.
How much traffic does 280th Street over Allen Creek carry?
About 45 vehicles per day (2022 count).
How long is 280th Street over Allen Creek?
The structure is 80 ft (24.4 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.
Who owns 280th Street over Allen Creek?
It is owned by the County Highway Agency.