Dogwood Road over Middle Silver Creek
FairPottawattamie County, Iowa · 075413101 · Structure no. 000000000286361
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected July 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 109 ft
- 3 main spans
- Daily traffic
- 71
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Dogwood Road over Middle Silver Creek is a prestressed concrete tee beam carrying Dogwood Road over Middle Silver Creek in Pottawattamie County, Iowa. It was built in 1979, so it is 46 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 71 vehicles a day, projected to reach 71 by 2043. The structure is 109 ft (33.2 m) long and 25 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 Dogwood Road over Middle Silver Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is Dogwood Road over Middle 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 July 2023.
How much traffic does Dogwood Road over Middle Silver Creek carry?
About 71 vehicles per day (2022 count).
How long is Dogwood Road over Middle Silver Creek?
The structure is 109 ft (33.2 m) long with a longest span of 41 ft (12.5 m) and a deck 25 ft wide.
Who owns Dogwood Road over Middle Silver Creek?
It is owned by the County Highway Agency.