120th ST over Plum Creek
GoodBremer County, Iowa · 093121401 · Structure no. 000000000080341
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 274 ft
- 3 main spans
- Daily traffic
- 39
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
120th ST over Plum Creek is a prestressed concrete stringer/multi-beam or girder carrying 120th ST over Plum Creek in Bremer County, Iowa. It was built in 2008, so it is 17 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 39 vehicles a day, projected to reach 39 by 2044. The structure is 274 ft (83.5 m) long and 27 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 Plum Creek built?
It was built in 2008, making it 17 years old in 2025.
What condition is 120th ST over Plum 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 2024.
How much traffic does 120th ST over Plum Creek carry?
About 39 vehicles per day (2022 count).
How long is 120th ST over Plum Creek?
The structure is 274 ft (83.5 m) long with a longest span of 92 ft (28 m) and a deck 27 ft wide.
Who owns 120th ST over Plum Creek?
It is owned by the County Highway Agency.