US 218 over Drainage Ditch
GoodBenton County, Iowa · 1.6 Mi. N of Jct. SR E44 · Structure no. 000000000608745
- Built
- 1960
- 65 years old
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 2,690
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 218 over Drainage Ditch is a concrete continuous culvert carrying US 218 over Drainage Ditch in Benton County, Iowa. It was built in 1960, so it is 65 years old, older 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 2,690 vehicles a day, roughly 18% of them trucks, projected to reach 2,690 by 2044. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 218 over Drainage Ditch built?
It was built in 1960, making it 65 years old in 2025.
What condition is US 218 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 January 2024.
How much traffic does US 218 over Drainage Ditch carry?
About 2,690 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is US 218 over Drainage Ditch?
The structure is 23 ft (7.1 m) long with a longest span of 8 ft (2.4 m).
Who owns US 218 over Drainage Ditch?
It is owned by the State Highway Agency.