FM over Willow Creek
FairShelby County, Iowa · 811439 · Structure no. 000000000361650
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 159 ft
- 3 main spans
- Daily traffic
- 887
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Willow Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Willow Creek in Shelby County, Iowa. It was built in 1969, so it is 56 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 887 vehicles a day, roughly 8% of them trucks, projected to reach 887 by 2044. The structure is 159 ft (48.5 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Willow Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is FM over Willow Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does FM over Willow Creek carry?
About 887 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is FM over Willow Creek?
The structure is 159 ft (48.5 m) long with a longest span of 52 ft (15.9 m) and a deck 33 ft wide.
Who owns FM over Willow Creek?
It is owned by the County Highway Agency.