290th Street over Mosquito Creek
FairPosted for loadPottawattamie County, Iowa · 077422512 · Structure no. 000000000290450
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 204 ft
- 3 main spans
- Daily traffic
- 45
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
290th Street over Mosquito Creek is a steel continuous stringer/multi-beam or girder carrying 290th Street over Mosquito Creek in Pottawattamie County, Iowa. It was built in 1966, so it is 59 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. Its operating status is: posted for load restriction.
It carries about 45 vehicles a day, projected to reach 45 by 2043. The structure is 204 ft (62.2 m) long and 23 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Street over Mosquito Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is 290th Street over Mosquito Creek 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 May 2023.
How much traffic does 290th Street over Mosquito Creek carry?
About 45 vehicles per day (2021 count).
How long is 290th Street over Mosquito Creek?
The structure is 204 ft (62.2 m) long with a longest span of 78 ft (23.8 m) and a deck 23 ft wide.
Who owns 290th Street over Mosquito Creek?
It is owned by the County Highway Agency.