30th St. over Small
FairJones County, Iowa · 083042903 · Structure no. 000000000206911
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected January 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 79
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30th St. over Small is a concrete continuous culvert carrying 30th St. over Small in Jones County, Iowa. It was built in 1978, so it is 47 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 79 vehicles a day, projected to reach 79 by 2043. The structure is 21 ft (6.4 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30th St. over Small built?
It was built in 1978, making it 47 years old in 2025.
What condition is 30th St. over Small 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 January 2023.
How much traffic does 30th St. over Small carry?
About 79 vehicles per day (2022 count).
How long is 30th St. over Small?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns 30th St. over Small?
It is owned by the County Highway Agency.