120th ST over Deep Creek
GoodPlymouth County, Iowa · 93431550 · Structure no. 000000000276041
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 123 ft
- 3 main spans
- Daily traffic
- 45
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
120th ST over Deep Creek is a concrete continuous slab carrying 120th ST over Deep Creek in Plymouth County, Iowa. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 45 vehicles a day, projected to reach 45 by 2044. The structure is 123 ft (37.5 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 120th ST over Deep Creek built?
It was built in 2014, making it 11 years old in 2025.
What condition is 120th ST over Deep 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 April 2023.
How much traffic does 120th ST over Deep Creek carry?
About 45 vehicles per day (2022 count).
How long is 120th ST over Deep Creek?
The structure is 123 ft (37.5 m) long with a longest span of 47 ft (14.3 m) and a deck 33 ft wide.
Who owns 120th ST over Deep Creek?
It is owned by the County Highway Agency.