Z36 380th Ave over Small Stream
GoodClinton County, Iowa · 082E51402 · Structure no. 000000000124041
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected February 2025
- Type
- Slab
- Concrete Continuous
- Length
- 70 ft
- 3 main spans
- Daily traffic
- 1,300
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Z36 380th Ave over Small Stream is a concrete continuous slab carrying Z36 380th Ave over Small Stream in Clinton County, Iowa. It was built in 2018, so it is 7 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 1,300 vehicles a day, roughly 15% of them trucks, projected to reach 1,300 by 2045. The structure is 70 ft (21.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Z36 380th Ave over Small Stream built?
It was built in 2018, making it 7 years old in 2025.
What condition is Z36 380th 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 February 2025.
How much traffic does Z36 380th Ave over Small Stream carry?
About 1,300 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is Z36 380th Ave over Small Stream?
The structure is 70 ft (21.3 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.
Who owns Z36 380th Ave over Small Stream?
It is owned by the County Highway Agency.