FM over Otter Creek
PoorPosted for loadLouisa County, Iowa · 073040302 · Structure no. 000000000223790
- Built
- 1955
- 70 years old
- Condition
- Poor
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 55 ft
- 1 main span
- Daily traffic
- 35
- 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 Louisa County, Iowa. It was built in 1955, so it is 70 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. Its operating status is: posted for other load-capacity restriction.
It carries about 35 vehicles a day, projected to reach 35 by 2043. The structure is 55 ft (16.8 m) long and 22 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 1955, making it 70 years old in 2025.
What condition is FM over Otter Creek 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 June 2023.
How much traffic does FM over Otter Creek carry?
About 35 vehicles per day (2022 count).
How long is FM over Otter Creek?
The structure is 55 ft (16.8 m) long with a longest span of 53 ft (16.2 m) and a deck 22 ft wide.
Who owns FM over Otter Creek?
It is owned by the County Highway Agency.