US 6 over Drainage Ditch
FairJohnson County, Iowa · 1.8 Mi. E of Jct. SR W38 · Structure no. 000000000031450
- Built
- 1953
- 72 years old
- Condition
- Fair
- inspected September 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 5,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 6 over Drainage Ditch is a concrete continuous culvert carrying US 6 over Drainage Ditch in Johnson County, Iowa. It was built in 1953, so it is 72 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 5,300 vehicles a day, roughly 11% of them trucks, projected to reach 5,300 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 9.9 mi (16 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 6 over Drainage Ditch built?
It was built in 1953, making it 72 years old in 2025.
What condition is US 6 over Drainage Ditch 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 September 2024.
How much traffic does US 6 over Drainage Ditch carry?
About 5,300 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is US 6 over Drainage Ditch?
The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).
Who owns US 6 over Drainage Ditch?
It is owned by the State Highway Agency.