US 71 over Drainage Ditch #34
GoodBuena Vista County, Iowa · 1.1 Mi. N of Ia 3 · Structure no. 000000000016161
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 37 ft
- 3 main spans
- Daily traffic
- 3,830
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 71 over Drainage Ditch #34 is a concrete continuous culvert carrying US 71 over Drainage Ditch #34 in Buena Vista 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 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 3,830 vehicles a day, roughly 16% of them trucks, projected to reach 3,830 by 2043. 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
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 71 over Drainage Ditch #34 built?
It was built in 1985, making it 40 years old in 2025.
What condition is US 71 over Drainage Ditch #34 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 September 2023.
How much traffic does US 71 over Drainage Ditch #34 carry?
About 3,830 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is US 71 over Drainage Ditch #34?
The structure is 37 ft (11.3 m) long with a longest span of 11 ft (3.4 m).
Who owns US 71 over Drainage Ditch #34?
It is owned by the State Highway Agency.