FM over Otter Creek
FairTama County, Iowa · 083141801 · Structure no. 000000000317850
- Built
- 1930
- 95 years old, rebuilt 2018
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 52 ft
- 1 main span
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Otter Creek is a steel stringer/multi-beam or girder carrying FM over Otter Creek in Tama County, Iowa. It was built in 1930 and reconstructed in 2018, 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 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 52 ft (15.9 m) long and 20 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 Otter Creek built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2018.
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 October 2024.
How much traffic does FM over Otter Creek carry?
About 20 vehicles per day (2022 count).
How long is FM over Otter Creek?
The structure is 52 ft (15.9 m) long with a longest span of 50 ft (15.2 m) and a deck 20 ft wide.
Who owns FM over Otter Creek?
It is owned by the County Highway Agency.