FM over Little Sioux River
GoodDickinson County, Iowa · 098373405 · Structure no. 000000000144831
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 189 ft
- 3 main spans
- Daily traffic
- 315
- 2021 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 Dickinson County, Iowa. It was built in 2003, so it is 22 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 315 vehicles a day, roughly 24% of them trucks, projected to reach 315 by 2043. The structure is 189 ft (57.6 m) long and 33 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 Little Sioux River built?
It was built in 2003, making it 22 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 April 2023.
How much traffic does FM over Little Sioux River carry?
About 315 vehicles per day (2021 count), of which roughly 24% are trucks.
How long is FM over Little Sioux River?
The structure is 189 ft (57.6 m) long with a longest span of 68 ft (20.7 m) and a deck 33 ft wide.
Who owns FM over Little Sioux River?
It is owned by the County Highway Agency.