308th Ave over Ames Creek
GoodClinton County, Iowa · 081E40906 · Structure no. 000000000122421
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 102 ft
- 3 main spans
- Daily traffic
- 70
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
308th Ave over Ames Creek is a concrete continuous slab carrying 308th Ave over Ames Creek in Clinton County, Iowa. It was built in 1979, so it is 46 years old, older 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 70 vehicles a day, projected to reach 70 by 2044. The structure is 102 ft (31.1 m) long and 30 ft wide.
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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 308th Ave over Ames Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is 308th Ave over Ames 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 February 2024.
How much traffic does 308th Ave over Ames Creek carry?
About 70 vehicles per day (2022 count).
How long is 308th Ave over Ames Creek?
The structure is 102 ft (31.1 m) long with a longest span of 39 ft (11.9 m) and a deck 30 ft wide.
Who owns 308th Ave over Ames Creek?
It is owned by the County Highway Agency.