300th Avenue over Ames Creek
GoodClinton County, Iowa · 081E42104 · Structure no. 000000000122451
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected February 2021
- Type
- Slab
- Concrete Continuous
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 536
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
300th Avenue over Ames Creek is a concrete continuous slab carrying 300th Avenue over Ames Creek in Clinton County, Iowa. It was built in 2004, so it is 21 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 536 vehicles a day, projected to reach 536 by 2043. The structure is 103 ft (31.4 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 300th Avenue over Ames Creek built?
It was built in 2004, making it 21 years old in 2025.
What condition is 300th Avenue 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 2021.
How much traffic does 300th Avenue over Ames Creek carry?
About 536 vehicles per day (2022 count).
How long is 300th Avenue over Ames Creek?
The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.
Who owns 300th Avenue over Ames Creek?
It is owned by the County Highway Agency.