120th ST over Willow Creek
GoodPlymouth County, Iowa · 093441501 · Structure no. 000000000276391
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 5
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
120th ST over Willow Creek is a concrete continuous slab carrying 120th ST over Willow Creek in Plymouth County, Iowa. It was built in 1989, so it is 36 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 128 ft (39 m) long and 27 ft wide. 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 120th ST over Willow Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is 120th ST over Willow Creek 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 May 2023.
How much traffic does 120th ST over Willow Creek carry?
About 5 vehicles per day (2021 count).
How long is 120th ST over Willow Creek?
The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.
Who owns 120th ST over Willow Creek?
It is owned by the County Highway Agency.