FM over Drainage
PoorPosted for loadMadison County, Iowa · 074270803 · Structure no. 000000000231950
- Built
- 1930
- 95 years old, rebuilt 1986
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 23 ft
- 1 main span
- Daily traffic
- 40
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Drainage is a wood or timber stringer/multi-beam or girder carrying FM over Drainage in Madison County, Iowa. It was built in 1930 and reconstructed in 1986, so it is 95 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 40 vehicles a day, projected to reach 40 by 2043. The structure is 23 ft (7 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 Drainage built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1986.
What condition is FM over Drainage 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 Drainage carry?
About 40 vehicles per day (2022 count).
How long is FM over Drainage?
The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 18 ft wide.
Who owns FM over Drainage?
It is owned by the County Highway Agency.