Harvard Trail over Allen Creek
GoodHarrison County, Iowa · 080433006 · Structure no. 000000000178922
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 34
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Harvard Trail over Allen Creek is a concrete continuous culvert carrying Harvard Trail over Allen Creek in Harrison County, Iowa. It was built in 2008, so it is 17 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 34 vehicles a day, projected to reach 34 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Harvard Trail over Allen Creek built?
It was built in 2008, making it 17 years old in 2025.
What condition is Harvard Trail over Allen 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 November 2024.
How much traffic does Harvard Trail over Allen Creek carry?
About 34 vehicles per day (2022 count).
How long is Harvard Trail over Allen Creek?
The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).
Who owns Harvard Trail over Allen Creek?
It is owned by the County Highway Agency.