FM over Drainage Ditch
PoorHamilton County, Iowa · 089231006 · Structure no. 000000000172110
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 55 ft
- 1 main span
- Daily traffic
- 319
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Drainage Ditch is a prestressed concrete stringer/multi-beam or girder carrying FM over Drainage Ditch in Hamilton County, Iowa. It was built in 1960, so it is 65 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 319 vehicles a day, roughly 21% of them trucks, projected to reach 319 by 2044. The structure is 55 ft (16.8 m) long and 26 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Drainage Ditch built?
It was built in 1960, making it 65 years old in 2025.
What condition is FM over 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 September 2024.
How much traffic does FM over Drainage Ditch carry?
About 319 vehicles per day (2022 count), of which roughly 21% are trucks.
How long is FM over Drainage Ditch?
The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 26 ft wide.
Who owns FM over Drainage Ditch?
It is owned by the County Highway Agency.