Elmtree Road over Silver Creek
PoorPosted for loadPottawattamie County, Iowa · 075412604 · Structure no. 000000000286300
- Built
- 1961
- 64 years old, rebuilt 1983
- Condition
- Poor
- inspected July 2023
- Type
- Truss - Thru
- Steel
- Length
- 133 ft
- 1 main span
- Daily traffic
- 29
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Elmtree Road over Silver Creek is a steel truss - thru carrying Elmtree Road over Silver Creek in Pottawattamie County, Iowa. It was built in 1961 and reconstructed in 1983, so it is 64 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 2 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 2043. The structure is 133 ft (40.5 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 | 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 | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| 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 Elmtree Road over Silver Creek built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1983.
What condition is Elmtree 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 July 2023.
How much traffic does Elmtree Road over Silver Creek carry?
About 29 vehicles per day (2022 count).
How long is Elmtree Road over Silver Creek?
The structure is 133 ft (40.5 m) long with a longest span of 130 ft (39.6 m) and a deck 18 ft wide.
Who owns Elmtree Road over Silver Creek?
It is owned by the County Highway Agency.