Sycamore Road over Silver Creek
GoodPottawattamie County, Iowa · 077402701 · Structure no. 000000000289971
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 179 ft
- 3 main spans
- Daily traffic
- 26
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Sycamore Road over Silver Creek is a prestressed concrete stringer/multi-beam or girder carrying Sycamore Road over Silver Creek in Pottawattamie County, Iowa. It was built in 1991, so it is 34 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 26 vehicles a day, projected to reach 26 by 2043. The structure is 179 ft (54.6 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 Sycamore Road over Silver Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is Sycamore Road over Silver Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.
How much traffic does Sycamore Road over Silver Creek carry?
About 26 vehicles per day (2021 count).
How long is Sycamore Road over Silver Creek?
The structure is 179 ft (54.6 m) long with a longest span of 63 ft (19.2 m) and a deck 27 ft wide.
Who owns Sycamore Road over Silver Creek?
It is owned by the County Highway Agency.