350th Ave over Small Stream
GoodClinton County, Iowa · 081E52902 · Structure no. 000000000122671
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 460
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
350th Ave over Small Stream is a concrete slab carrying 350th Ave over Small Stream in Clinton County, Iowa. It was built in 1998, so it is 27 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 460 vehicles a day, roughly 12% of them trucks, projected to reach 460 by 2044. The structure is 24 ft (7.3 m) long and 29 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 350th Ave over Small Stream built?
It was built in 1998, making it 27 years old in 2025.
What condition is 350th Ave over Small Stream 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 June 2024.
How much traffic does 350th Ave over Small Stream carry?
About 460 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is 350th Ave over Small Stream?
The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.
Who owns 350th Ave over Small Stream?
It is owned by the County Highway Agency.