FM over Trout River
PoorWinneshiek County, Iowa · 098072109 · Structure no. 000000000347430
- Built
- 1956
- 69 years old
- Condition
- Poor
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 173 ft
- 4 main spans
- Daily traffic
- 953
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Trout River is a prestressed concrete stringer/multi-beam or girder carrying FM over Trout River in Winneshiek County, Iowa. It was built in 1956, so it is 69 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 953 vehicles a day, roughly 10% of them trucks, projected to reach 953 by 2043. The structure is 173 ft (52.7 m) long and 26 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Trout River built?
It was built in 1956, making it 69 years old in 2025.
What condition is FM over Trout River 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 April 2023.
How much traffic does FM over Trout River carry?
About 953 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is FM over Trout River?
The structure is 173 ft (52.7 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.
Who owns FM over Trout River?
It is owned by the County Highway Agency.