280th ST over Drainage
GoodPlymouth County, Iowa · 090460201 · Structure no. 000000000271591
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 80
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
280th ST over Drainage is a concrete continuous slab carrying 280th ST over Drainage in Plymouth County, Iowa. It was built in 1990, so it is 35 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 80 vehicles a day, projected to reach 80 by 2044. The structure is 78 ft (23.8 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 280th ST over Drainage built?
It was built in 1990, making it 35 years old in 2025.
What condition is 280th ST over Drainage 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 July 2024.
How much traffic does 280th ST over Drainage carry?
About 80 vehicles per day (2022 count).
How long is 280th ST over Drainage?
The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.
Who owns 280th ST over Drainage?
It is owned by the County Highway Agency.