FM over Silver Creek
GoodShelby County, Iowa · 078403407 · Structure no. 000000000304870
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected March 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 142 ft
- 3 main spans
- Daily traffic
- 71
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Silver Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Silver Creek in Shelby County, Iowa. It was built in 1980, so it is 45 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 71 vehicles a day, roughly 11% of them trucks, projected to reach 71 by 2043. The structure is 142 ft (43.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Silver Creek built?
It was built in 1980, making it 45 years old in 2025.
What condition is FM 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 March 2021.
How much traffic does FM over Silver Creek carry?
About 71 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is FM over Silver Creek?
The structure is 142 ft (43.3 m) long with a longest span of 52 ft (15.9 m) and a deck 33 ft wide.
Who owns FM over Silver Creek?
It is owned by the County Highway Agency.