FM over Maquoketa River
PoorPosted for loadJackson County, Iowa · 084E10104 · Structure no. 000000000191850
- Built
- 1927
- 98 years old, rebuilt 1957
- Condition
- Poor
- inspected March 2023
- Type
- Truss - Thru
- Steel
- Length
- 456 ft
- 1 main span
- Daily traffic
- 50
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Maquoketa River is a steel truss - thru carrying FM over Maquoketa River in Jackson County, Iowa. It was built in 1927 and reconstructed in 1957, so it is 98 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. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, projected to reach 50 by 2043. The structure is 456 ft (139 m) long and 20 ft wide. If it were closed, the detour would be 16.2 mi (26 km).
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 FM over Maquoketa River built?
It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1957.
What condition is FM over 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 March 2023.
How much traffic does FM over Maquoketa River carry?
About 50 vehicles per day (2021 count).
How long is FM over Maquoketa River?
The structure is 456 ft (139 m) long with a longest span of 160 ft (48.8 m) and a deck 20 ft wide.
Who owns FM over Maquoketa River?
It is owned by the County Highway Agency.