Ia 3 over Branch Maquoketa River
FairDubuque County, Iowa · 2.9 Mi. N of Jct. SR C9Y · Structure no. 000000000024010
- Built
- 1931
- 94 years old
- Condition
- Fair
- inspected November 2023
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 1,680
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 3 over Branch Maquoketa River is a concrete culvert carrying Ia 3 over Branch Maquoketa River in Dubuque County, Iowa. It was built in 1931, so it is 94 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 1,680 vehicles a day, roughly 8% of them trucks, projected to reach 1,680 by 2042. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 6.8 mi (11 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 3 over Branch Maquoketa River built?
It was built in 1931, making it 94 years old in 2025.
What condition is Ia 3 over Branch Maquoketa 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 November 2023.
How much traffic does Ia 3 over Branch Maquoketa River carry?
About 1,680 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is Ia 3 over Branch Maquoketa River?
The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m).
Who owns Ia 3 over Branch Maquoketa River?
It is owned by the State Highway Agency.