I 380 over Drainage Ditch
GoodBenton County, Iowa · 0.5 Mi. S of Jct. Ia 150 · Structure no. 000000000605130
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 35 ft
- 2 main spans
- Daily traffic
- 21,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 380 over Drainage Ditch is a concrete continuous culvert carrying I 380 over Drainage Ditch in Benton County, Iowa. It was built in 1982, so it is 43 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 21,300 vehicles a day, roughly 27% of them trucks, projected to reach 21,300 by 2044. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 380 over Drainage Ditch built?
It was built in 1982, making it 43 years old in 2025.
What condition is I 380 over Drainage Ditch 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 November 2024.
How much traffic does I 380 over Drainage Ditch carry?
About 21,300 vehicles per day (2022 count), of which roughly 27% are trucks.
How long is I 380 over Drainage Ditch?
The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m).
Who owns I 380 over Drainage Ditch?
It is owned by the State Highway Agency.