FM over Maquoketa River
FairDubuque County, Iowa · 089020507 · Structure no. 000000000147511
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 412
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Maquoketa River is a concrete continuous slab carrying FM over Maquoketa River in Dubuque County, Iowa. It was built in 1984, so it is 41 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 5 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 412 vehicles a day, roughly 24% of them trucks, projected to reach 412 by 2043. The structure is 128 ft (39 m) long and 33 ft wide.
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 | 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 FM over Maquoketa River built?
It was built in 1984, making it 41 years old in 2025.
What condition is FM over 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 June 2023.
How much traffic does FM over Maquoketa River carry?
About 412 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is FM over Maquoketa River?
The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.
Who owns FM over Maquoketa River?
It is owned by the County Highway Agency.