120th Ave over Stream
FairDickinson County, Iowa · 099380902 · Structure no. 000000000365925
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected March 2021
- Type
- Culvert
- Steel
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 11
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
120th Ave over Stream is a steel culvert carrying 120th Ave over Stream in Dickinson County, Iowa. It was built in 1978, so it is 47 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 11 vehicles a day, projected to reach 11 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.7 mi (6 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 120th Ave over Stream built?
It was built in 1978, making it 47 years old in 2025.
What condition is 120th Ave over Stream 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 2021.
How much traffic does 120th Ave over Stream carry?
About 11 vehicles per day (2022 count).
How long is 120th Ave over Stream?
The structure is 27 ft (8.2 m) long with a longest span of 11 ft (3.4 m).
Who owns 120th Ave over Stream?
It is owned by the County Highway Agency.