3rd Ave SW over N Fork Maquoketa River
PoorDubuque County, Iowa · 3rd Ave SW - N Fork · Structure no. 000000000004305
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 125 ft
- 3 main spans
- Daily traffic
- 1,651
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
3rd Ave SW over N Fork Maquoketa River is a concrete continuous slab carrying 3rd Ave SW over N Fork Maquoketa River in Dubuque County, Iowa. It was built in 1967, so it is 58 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 1,651 vehicles a day, projected to reach 1,651 by 2044. The structure is 125 ft (38.1 m) long and 36 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 3rd Ave SW over N Fork Maquoketa River built?
It was built in 1967, making it 58 years old in 2025.
What condition is 3rd Ave SW over N Fork Maquoketa River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does 3rd Ave SW over N Fork Maquoketa River carry?
About 1,651 vehicles per day (2022 count).
How long is 3rd Ave SW over N Fork Maquoketa River?
The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.
Who owns 3rd Ave SW over N Fork Maquoketa River?
It is owned by the City or Municipal Highway Agency.