FM over Little Sioux River
GoodMonona County, Iowa · 082442103 · Structure no. 000000000249711
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 403 ft
- 3 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Little Sioux River is a prestressed concrete stringer/multi-beam or girder carrying FM over Little Sioux River in Monona County, Iowa. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 100 vehicles a day, roughly 18% of them trucks, projected to reach 100 by 2043. The structure is 403 ft (122.8 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Little Sioux River built?
It was built in 2007, making it 18 years old in 2025.
What condition is FM over Little Sioux River 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 May 2023.
How much traffic does FM over Little Sioux River carry?
About 100 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is FM over Little Sioux River?
The structure is 403 ft (122.8 m) long with a longest span of 140 ft (42.7 m) and a deck 33 ft wide.
Who owns FM over Little Sioux River?
It is owned by the County Highway Agency.