CO HWY D over Drainage
FairBlack Hawk County, Iowa · 000000000 · Structure no. 000000000005540
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected April 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 1,438
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
CO HWY D over Drainage is a concrete continuous culvert carrying CO HWY D over Drainage in Black Hawk County, Iowa. It was built in 1975, so it is 50 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 1,438 vehicles a day, projected to reach 1,438 by 2043. The structure is 26 ft (7.9 m) long.
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 CO HWY D over Drainage built?
It was built in 1975, making it 50 years old in 2025.
What condition is CO HWY D over Drainage 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 2023.
How much traffic does CO HWY D over Drainage carry?
About 1,438 vehicles per day (2022 count).
How long is CO HWY D over Drainage?
The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).
Who owns CO HWY D over Drainage?
It is owned by the City or Municipal Highway Agency.