G61 310th ST over Unnamed Creek
GoodAdair County, Iowa · 2.4 MI E of N72 on G61 · Structure no. 000000000366095
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected April 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 31 ft
- 3 main spans
- Daily traffic
- 468
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
G61 310th ST over Unnamed Creek is a concrete continuous culvert carrying G61 310th ST over Unnamed Creek in Adair County, Iowa. It was built in 2015, so it is 10 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 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 468 vehicles a day, roughly 19% of them trucks, projected to reach 468 by 2043. The structure is 31 ft (9.6 m) long. 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was G61 310th ST over Unnamed Creek built?
It was built in 2015, making it 10 years old in 2025.
What condition is G61 310th ST over Unnamed 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 April 2023.
How much traffic does G61 310th ST over Unnamed Creek carry?
About 468 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is G61 310th ST over Unnamed Creek?
The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m).
Who owns G61 310th ST over Unnamed Creek?
It is owned by the County Highway Agency.