120th Street over Kosar Branch
GoodAdams County, Iowa · 073321801 · Structure no. 000000000060421
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected February 2024
- Type
- Culvert
- Steel
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 5
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
120th Street over Kosar Branch is a steel culvert carrying 120th Street over Kosar Branch in Adams County, Iowa. It was built in 2023, so it is 2 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 5 vehicles a day, projected to reach 5 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 120th Street over Kosar Branch built?
It was built in 2023, making it 2 years old in 2025.
What condition is 120th Street over Kosar Branch 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 February 2024.
How much traffic does 120th Street over Kosar Branch carry?
About 5 vehicles per day (2022 count).
How long is 120th Street over Kosar Branch?
The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m).
Who owns 120th Street over Kosar Branch?
It is owned by the County Highway Agency.