FM over N Fork Maquoketa River
FairJackson County, Iowa · 085E11406 · Structure no. 000000000193181
- Built
- 2005
- 20 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 299 ft
- 4 main spans
- Daily traffic
- 290
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FM over N Fork Maquoketa River is a prestressed concrete stringer/multi-beam or girder carrying FM over N Fork Maquoketa River in Jackson County, Iowa. It was built in 2005, so it is 20 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 290 vehicles a day, roughly 21% of them trucks, projected to reach 290 by 2043. The structure is 299 ft (91.1 m) long and 32 ft wide. If it were closed, the detour would be 18 mi (29 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 | 7 Good | Some minor problems. |
| 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 FM over N Fork Maquoketa River built?
It was built in 2005, making it 20 years old in 2025.
What condition is FM over N Fork 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 March 2023.
How much traffic does FM over N Fork Maquoketa River carry?
About 290 vehicles per day (2021 count), of which roughly 21% are trucks.
How long is FM over N Fork Maquoketa River?
The structure is 299 ft (91.1 m) long with a longest span of 81 ft (24.7 m) and a deck 32 ft wide.
Who owns FM over N Fork Maquoketa River?
It is owned by the County Highway Agency.