145th ST over Silver Creek
GoodClayton County, Iowa · 095052903 · Structure no. 000000000121261
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 69
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
145th ST over Silver Creek is a concrete culvert carrying 145th ST over Silver Creek in Clayton County, Iowa. It was built in 1986, so it is 39 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 69 vehicles a day, projected to reach 69 by 2044. The structure is 25 ft (7.6 m) long. 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 |
|---|---|---|
| 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 145th ST over Silver Creek built?
It was built in 1986, making it 39 years old in 2025.
What condition is 145th ST over Silver 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 September 2024.
How much traffic does 145th ST over Silver Creek carry?
About 69 vehicles per day (2022 count).
How long is 145th ST over Silver Creek?
The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).
Who owns 145th ST over Silver Creek?
It is owned by the County Highway Agency.