140th ST over Outlet Silver Lake
GoodDickinson County, Iowa · 100383401 · Structure no. 000000000366920
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected March 2024
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 150
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
140th ST over Outlet Silver Lake is a concrete culvert carrying 140th ST over Outlet Silver Lake in Dickinson 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 150 vehicles a day, projected to reach 150 by 2044. The structure is 26 ft (7.9 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 | 8 Very Good | No problems noted. |
| Culvert | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 140th ST over Outlet Silver Lake built?
It was built in 2023, making it 2 years old in 2025.
What condition is 140th ST over Outlet Silver Lake 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 March 2024.
How much traffic does 140th ST over Outlet Silver Lake carry?
About 150 vehicles per day (2022 count).
How long is 140th ST over Outlet Silver Lake?
The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).
Who owns 140th ST over Outlet Silver Lake?
It is owned by the County Highway Agency.