290th ST over Little Sioux River
FairClay County, Iowa · 097371701 · Structure no. 000000000117541
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected December 2022
- Type
- Slab
- Concrete Continuous
- Length
- 174 ft
- 4 main spans
- Daily traffic
- 30
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
290th ST over Little Sioux River is a concrete continuous slab carrying 290th ST over Little Sioux River in Clay County, Iowa. It was built in 1978, so it is 47 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 174 ft (53 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 290th ST over Little Sioux River built?
It was built in 1978, making it 47 years old in 2025.
What condition is 290th ST over Little Sioux River 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 December 2022.
How much traffic does 290th ST over Little Sioux River carry?
About 30 vehicles per day (2022 count).
How long is 290th ST over Little Sioux River?
The structure is 174 ft (53 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.
Who owns 290th ST over Little Sioux River?
It is owned by the County Highway Agency.