US 61 SB over S Fork Maquoket River
FairJackson County, Iowa · 0.5 Mi. N of Jct. Ia #64 · Structure no. 000000000606480
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 406 ft
- 3 main spans
- Daily traffic
- 5,100
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 61 SB over S Fork Maquoket River is a steel continuous stringer/multi-beam or girder carrying US 61 SB over S Fork Maquoket River in Jackson County, Iowa. It was built in 1998, so it is 27 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 5,100 vehicles a day, roughly 18% of them trucks, projected to reach 5,100 by 2042. The structure is 406 ft (123.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 61 SB over S Fork Maquoket River built?
It was built in 1998, making it 27 years old in 2025.
What condition is US 61 SB over S Fork Maquoket 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 April 2024.
How much traffic does US 61 SB over S Fork Maquoket River carry?
About 5,100 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is US 61 SB over S Fork Maquoket River?
The structure is 406 ft (123.7 m) long with a longest span of 159 ft (48.5 m) and a deck 43 ft wide.
Who owns US 61 SB over S Fork Maquoket River?
It is owned by the State Highway Agency.