Idelwood Road over Walnut Creek
PoorPosted for loadPottawattamie County, Iowa · 075380301 · Structure no. 000000000285011
- Built
- 1977
- 48 years old, rebuilt 1989
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 117 ft
- 3 main spans
- Daily traffic
- 11
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Idelwood Road over Walnut Creek is a steel stringer/multi-beam or girder carrying Idelwood Road over Walnut Creek in Pottawattamie County, Iowa. It was built in 1977 and reconstructed in 1989, so it is 48 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 11 vehicles a day, projected to reach 11 by 2044. The structure is 117 ft (35.7 m) long and 18 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Idelwood Road over Walnut Creek built?
It was built in 1977, making it 48 years old in 2025. It was reconstructed in 1989.
What condition is Idelwood Road over Walnut 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 April 2024.
How much traffic does Idelwood Road over Walnut Creek carry?
About 11 vehicles per day (2022 count).
How long is Idelwood Road over Walnut Creek?
The structure is 117 ft (35.7 m) long with a longest span of 39 ft (11.9 m) and a deck 18 ft wide.
Who owns Idelwood Road over Walnut Creek?
It is owned by the County Highway Agency.