FM over Winnebago River
FairFloyd County, Iowa · 095181508 · Structure no. 000000000154831
- Built
- 1900
- 125 years old, rebuilt 1995
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 263 ft
- 3 main spans
- Daily traffic
- 697
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Winnebago River is a prestressed concrete stringer/multi-beam or girder carrying FM over Winnebago River in Floyd County, Iowa. It was built in 1900 and reconstructed in 1995, so it is 125 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 697 vehicles a day, roughly 17% of them trucks, projected to reach 697 by 2043. The structure is 263 ft (80.2 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 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 Winnebago River built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1995.
What condition is FM over Winnebago River 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 2023.
How much traffic does FM over Winnebago River carry?
About 697 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is FM over Winnebago River?
The structure is 263 ft (80.2 m) long with a longest span of 97 ft (29.6 m) and a deck 31 ft wide.
Who owns FM over Winnebago River?
It is owned by the County Highway Agency.