FM over Famers Garretson Ditch
PoorMonona County, Iowa · 085450404 · Structure no. 000000000251490
- Built
- 1962
- 63 years old
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 219 ft
- 3 main spans
- Daily traffic
- 578
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Famers Garretson Ditch is a prestressed concrete stringer/multi-beam or girder carrying FM over Famers Garretson Ditch in Monona County, Iowa. It was built in 1962, so it is 63 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 578 vehicles a day, roughly 24% of them trucks, projected to reach 578 by 2044. The structure is 219 ft (66.8 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Famers Garretson Ditch built?
It was built in 1962, making it 63 years old in 2025.
What condition is FM over Famers Garretson 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 May 2024.
How much traffic does FM over Famers Garretson Ditch carry?
About 578 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is FM over Famers Garretson Ditch?
The structure is 219 ft (66.8 m) long with a longest span of 81 ft (24.7 m) and a deck 26 ft wide.
Who owns FM over Famers Garretson Ditch?
It is owned by the County Highway Agency.