Ia 3 over Maple River
FairCherokee County, Iowa · 0.6 Mi. W of Ia 7 · Structure no. 000000000019471
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 123 ft
- 3 main spans
- Daily traffic
- 3,270
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 3 over Maple River is a concrete continuous slab carrying Ia 3 over Maple River in Cherokee County, Iowa. It was built in 1985, so it is 40 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 3,270 vehicles a day, roughly 27% of them trucks, projected to reach 3,270 by 2042. The structure is 123 ft (37.5 m) long and 43 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 3 over Maple River built?
It was built in 1985, making it 40 years old in 2025.
What condition is Ia 3 over Maple 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 June 2023.
How much traffic does Ia 3 over Maple River carry?
About 3,270 vehicles per day (2022 count), of which roughly 27% are trucks.
How long is Ia 3 over Maple River?
The structure is 123 ft (37.5 m) long with a longest span of 47 ft (14.3 m) and a deck 43 ft wide.
Who owns Ia 3 over Maple River?
It is owned by the State Highway Agency.