FM over Drainage Ditch
FairAudubon County, Iowa · 081363604 · Structure no. 000000000069970
- Built
- 1969
- 56 years old, rebuilt 2014
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 39 ft
- 2 main spans
- Daily traffic
- 34
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Drainage Ditch is a wood or timber stringer/multi-beam or girder carrying FM over Drainage Ditch in Audubon County, Iowa. It was built in 1969 and reconstructed in 2014, so it is 56 years old, older 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 34 vehicles a day, projected to reach 34 by 2044. The structure is 39 ft (11.9 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Drainage Ditch built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2014.
What condition is FM over Drainage Ditch 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 August 2024.
How much traffic does FM over Drainage Ditch carry?
About 34 vehicles per day (2022 count).
How long is FM over Drainage Ditch?
The structure is 39 ft (11.9 m) long with a longest span of 23 ft (7 m) and a deck 21 ft wide.
Who owns FM over Drainage Ditch?
It is owned by the County Highway Agency.