390th Street over Drainage
GoodPottawattamie County, Iowa · 076402704 · Structure no. 000000000288151
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 59 ft
- 1 main span
- Daily traffic
- 5
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
390th Street over Drainage is a steel stringer/multi-beam or girder carrying 390th Street over Drainage in Pottawattamie County, Iowa. It was built in 2006, so it is 19 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 5 vehicles a day, projected to reach 5 by 2043. The structure is 59 ft (18 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
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 390th Street over Drainage built?
It was built in 2006, making it 19 years old in 2025.
What condition is 390th Street 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 June 2023.
How much traffic does 390th Street over Drainage carry?
About 5 vehicles per day (2021 count).
How long is 390th Street over Drainage?
The structure is 59 ft (18 m) long with a longest span of 59 ft (18 m) and a deck 23 ft wide.
Who owns 390th Street over Drainage?
It is owned by the County Highway Agency.