Ia 3 over Fork Little Sioux River
FairCherokee County, Iowa · 2.5 MI E of Jct. Ia #143 · Structure no. 000000000019441
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected March 2023
- Type
- Slab
- Concrete Continuous
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 3,410
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 3 over Fork Little Sioux River is a concrete continuous slab carrying Ia 3 over Fork Little Sioux River in Cherokee County, Iowa. It was built in 1979, so it is 46 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 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 3,410 vehicles a day, roughly 25% of them trucks, projected to reach 3,410 by 2042. The structure is 103 ft (31.4 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 3 over Fork Little Sioux River built?
It was built in 1979, making it 46 years old in 2025.
What condition is Ia 3 over Fork Little Sioux 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 Ia 3 over Fork Little Sioux River carry?
About 3,410 vehicles per day (2022 count), of which roughly 25% are trucks.
How long is Ia 3 over Fork Little Sioux River?
The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 43 ft wide.
Who owns Ia 3 over Fork Little Sioux River?
It is owned by the State Highway Agency.