310 Street over Rock Creek
FairFremont County, Iowa · 067402601 · Structure no. 000000000158820
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected May 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 40 ft
- 3 main spans
- Daily traffic
- 358
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
310 Street over Rock Creek is a concrete continuous culvert carrying 310 Street over Rock Creek in Fremont County, Iowa. It was built in 1962, so it is 63 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 358 vehicles a day, roughly 22% of them trucks, projected to reach 358 by 2043. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 11.8 mi (19 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 310 Street over Rock Creek built?
It was built in 1962, making it 63 years old in 2025.
What condition is 310 Street over Rock Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.
How much traffic does 310 Street over Rock Creek carry?
About 358 vehicles per day (2022 count), of which roughly 22% are trucks.
How long is 310 Street over Rock Creek?
The structure is 40 ft (12.2 m) long with a longest span of 13 ft (4 m).
Who owns 310 Street over Rock Creek?
It is owned by the County Highway Agency.