FM over Walnut Creek
FairMarion County, Iowa · 075182004 · Structure no. 000000000239691
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 1,280
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Walnut Creek is a steel continuous stringer/multi-beam or girder carrying FM over Walnut Creek in Marion County, Iowa. It was built in 1987, so it is 38 years old, younger 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 6 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 1,280 vehicles a day, roughly 13% of them trucks, projected to reach 1,280 by 2044. The structure is 106 ft (32.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Walnut Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is FM over Walnut 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 December 2024.
How much traffic does FM over Walnut Creek carry?
About 1,280 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is FM over Walnut Creek?
The structure is 106 ft (32.3 m) long with a longest span of 41 ft (12.5 m) and a deck 32 ft wide.
Who owns FM over Walnut Creek?
It is owned by the County Highway Agency.