30th ST over Unamed CR
FairFayette County, Iowa · 091103001 · Structure no. 000000000150031
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected October 2024
- Type
- Culvert
- Steel
- Length
- 34 ft
- 3 main spans
- Daily traffic
- 59
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30th ST over Unamed CR is a steel culvert carrying 30th ST over Unamed CR in Fayette County, Iowa. It was built in 1998, so it is 27 years old, younger 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 5 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 59 vehicles a day, projected to reach 59 by 2044. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30th ST over Unamed CR built?
It was built in 1998, making it 27 years old in 2025.
What condition is 30th ST over Unamed CR 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 October 2024.
How much traffic does 30th ST over Unamed CR carry?
About 59 vehicles per day (2022 count).
How long is 30th ST over Unamed CR?
The structure is 34 ft (10.4 m) long with a longest span of 9 ft (2.7 m).
Who owns 30th ST over Unamed CR?
It is owned by the County Highway Agency.