Ia 3 over Floyd River
FairPlymouth County, Iowa · 1.0 Mi. E of US 75 · Structure no. 000000000039851
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 348 ft
- 5 main spans
- Daily traffic
- 4,270
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 3 over Floyd River is a prestressed concrete stringer/multi-beam or girder carrying Ia 3 over Floyd River in Plymouth County, Iowa. It was built in 1981, so it is 44 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 4,270 vehicles a day, roughly 8% of them trucks, projected to reach 4,270 by 2044. The structure is 348 ft (106.1 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 3 over Floyd River built?
It was built in 1981, making it 44 years old in 2025.
What condition is Ia 3 over Floyd 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 February 2024.
How much traffic does Ia 3 over Floyd River carry?
About 4,270 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is Ia 3 over Floyd River?
The structure is 348 ft (106.1 m) long with a longest span of 69 ft (21 m) and a deck 48 ft wide.
Who owns Ia 3 over Floyd River?
It is owned by the State Highway Agency.