FM over So Silver Creek
GoodSac County, Iowa · 088381702 · Structure no. 000000000301171
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 170
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over So Silver Creek is a concrete continuous culvert carrying FM over So Silver Creek in Sac County, Iowa. It was built in 1999, so it is 26 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 170 vehicles a day, projected to reach 170 by 2043. The structure is 21 ft (6.4 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over So Silver Creek built?
It was built in 1999, making it 26 years old in 2025.
What condition is FM over So 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 August 2023.
How much traffic does FM over So Silver Creek carry?
About 170 vehicles per day (2022 count).
How long is FM over So Silver Creek?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns FM over So Silver Creek?
It is owned by the County Highway Agency.