US 30 over Drainage Ditch
FairHarrison County, Iowa · 0.8 Mi. E of Jct. SR F32 · Structure no. 000000000027501
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected April 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 3,090
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 over Drainage Ditch is a concrete continuous culvert carrying US 30 over Drainage Ditch in Harrison County, Iowa. It was built in 1983, so it is 42 years old, younger 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 3,090 vehicles a day, roughly 24% of them trucks, projected to reach 3,090 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 21.7 mi (35 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 30 over Drainage Ditch built?
It was built in 1983, making it 42 years old in 2025.
What condition is US 30 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 April 2024.
How much traffic does US 30 over Drainage Ditch carry?
About 3,090 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is US 30 over Drainage Ditch?
The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).
Who owns US 30 over Drainage Ditch?
It is owned by the State Highway Agency.