330th Street over Little Silver Creek
FairPosted for loadPottawattamie County, Iowa · 076412702 · Structure no. 000000000288510
- Built
- 1940
- 85 years old, rebuilt 1984
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 62 ft
- 3 main spans
- Daily traffic
- 34
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
330th Street over Little Silver Creek is a wood or timber stringer/multi-beam or girder carrying 330th Street over Little Silver Creek in Pottawattamie County, Iowa. It was built in 1940 and reconstructed in 1984, so it is 85 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 34 vehicles a day, projected to reach 34 by 2043. The structure is 62 ft (18.9 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 330th Street over Little Silver Creek built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1984.
What condition is 330th Street over Little Silver 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 June 2023.
How much traffic does 330th Street over Little Silver Creek carry?
About 34 vehicles per day (2022 count).
How long is 330th Street over Little Silver Creek?
The structure is 62 ft (18.9 m) long with a longest span of 23 ft (7 m) and a deck 19 ft wide.
Who owns 330th Street over Little Silver Creek?
It is owned by the County Highway Agency.