Dogwood Road over Silver Creek
PoorPosted for loadPottawattamie County, Iowa · 075413501 · Structure no. 000000000286410
- Built
- 1930
- 95 years old, rebuilt 1983
- Condition
- Poor
- inspected August 2024
- Type
- Truss - Thru
- Steel
- Length
- 165 ft
- 1 main span
- Daily traffic
- 29
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Dogwood Road over Silver Creek is a steel truss - thru carrying Dogwood Road over Silver Creek in Pottawattamie County, Iowa. It was built in 1930 and reconstructed in 1983, so it is 95 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 29 vehicles a day, projected to reach 29 by 2044. The structure is 165 ft (50.3 m) long and 19 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 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 Dogwood Road over Silver Creek built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1983.
What condition is Dogwood Road over Silver Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.
How much traffic does Dogwood Road over Silver Creek carry?
About 29 vehicles per day (2022 count).
How long is Dogwood Road over Silver Creek?
The structure is 165 ft (50.3 m) long with a longest span of 120 ft (36.6 m) and a deck 19 ft wide.
Who owns Dogwood Road over Silver Creek?
It is owned by the County Highway Agency.