US 169 over Drainage Ditch
FairHumboldt County, Iowa · 5.5 MI N of Jct. Ia 3 · Structure no. 000000000028911
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected March 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 37 ft
- 2 main spans
- Daily traffic
- 3,220
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 169 over Drainage Ditch is a concrete continuous culvert carrying US 169 over Drainage Ditch in Humboldt County, Iowa. It was built in 1985, so it is 40 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 3,220 vehicles a day, roughly 24% of them trucks, projected to reach 3,220 by 2042. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 169 over Drainage Ditch built?
It was built in 1985, making it 40 years old in 2025.
What condition is US 169 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 March 2023.
How much traffic does US 169 over Drainage Ditch carry?
About 3,220 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is US 169 over Drainage Ditch?
The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m).
Who owns US 169 over Drainage Ditch?
It is owned by the State Highway Agency.