FM over Field Drainage Ditch
PoorMadison County, Iowa · 074261601 · Structure no. 000000000231680
- Built
- 1951
- 74 years old, rebuilt 1966
- Condition
- Poor
- inspected August 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 417
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Field Drainage Ditch is a concrete continuous culvert carrying FM over Field Drainage Ditch in Madison County, Iowa. It was built in 1951 and reconstructed in 1966, so it is 74 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 417 vehicles a day, roughly 16% of them trucks, projected to reach 417 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Field Drainage Ditch built?
It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1966.
What condition is FM over Field Drainage Ditch 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 August 2023.
How much traffic does FM over Field Drainage Ditch carry?
About 417 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is FM over Field Drainage Ditch?
The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).
Who owns FM over Field Drainage Ditch?
It is owned by the County Highway Agency.