NW 66th Ave over Desmoines River Tributar
FairPolk County, Iowa · 079240351 · Structure no. 000000000281351
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected March 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 43 ft
- 3 main spans
- Daily traffic
- 5,277
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
NW 66th Ave over Desmoines River Tributar is a concrete continuous culvert carrying NW 66th Ave over Desmoines River Tributar in Polk County, Iowa. It was built in 1972, so it is 53 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 5,277 vehicles a day, roughly 3% of them trucks, projected to reach 5,277 by 2043. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NW 66th Ave over Desmoines River Tributar built?
It was built in 1972, making it 53 years old in 2025.
What condition is NW 66th Ave over Desmoines River Tributar 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 NW 66th Ave over Desmoines River Tributar carry?
About 5,277 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is NW 66th Ave over Desmoines River Tributar?
The structure is 43 ft (13.1 m) long with a longest span of 12 ft (3.7 m).
Who owns NW 66th Ave over Desmoines River Tributar?
It is owned by the County Highway Agency.