340th ST over Stony Creek
FairClay County, Iowa · 096370703 · Structure no. 000000000116851
- Built
- 2003
- 22 years old
- Condition
- Fair
- inspected December 2022
- Type
- Slab
- Concrete Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 185
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
340th ST over Stony Creek is a concrete continuous slab carrying 340th ST over Stony Creek in Clay County, Iowa. It was built in 2003, so it is 22 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 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 185 vehicles a day, roughly 43% of them trucks, projected to reach 185 by 2043. The structure is 128 ft (39 m) long and 33 ft wide. 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 340th ST over Stony Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is 340th ST over Stony 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 December 2022.
How much traffic does 340th ST over Stony Creek carry?
About 185 vehicles per day (2022 count), of which roughly 43% are trucks.
How long is 340th ST over Stony Creek?
The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.
Who owns 340th ST over Stony Creek?
It is owned by the County Highway Agency.