FM over Otter Creek
FairSioux County, Iowa · 097441201 · Structure no. 000000000312530
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected December 2022
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 203 ft
- 3 main spans
- Daily traffic
- 619
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Otter Creek is a steel continuous stringer/multi-beam or girder carrying FM over Otter Creek in Sioux 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 fair condition with a lowest component rating of 5 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 619 vehicles a day, roughly 16% of them trucks, projected to reach 619 by 2042. The structure is 203 ft (61.9 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Otter Creek built?
It was built in 1962, making it 63 years old in 2025.
What condition is FM over Otter Creek 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 December 2022.
How much traffic does FM over Otter Creek carry?
About 619 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is FM over Otter Creek?
The structure is 203 ft (61.9 m) long with a longest span of 78 ft (23.8 m) and a deck 26 ft wide.
Who owns FM over Otter Creek?
It is owned by the County Highway Agency.