FM over Otter Creek
GoodLouisa County, Iowa · 073031306 · Structure no. 000000000223671
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected August 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 192 ft
- 3 main spans
- Daily traffic
- 70
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Otter Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Otter Creek in Louisa County, Iowa. It was built in 1975, so it is 50 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 70 vehicles a day, projected to reach 70 by 2043. The structure is 192 ft (58.5 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 1975, making it 50 years old in 2025.
What condition is FM over Otter Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2021.
How much traffic does FM over Otter Creek carry?
About 70 vehicles per day (2022 count).
How long is FM over Otter Creek?
The structure is 192 ft (58.5 m) long with a longest span of 68 ft (20.7 m) and a deck 32 ft wide.
Who owns FM over Otter Creek?
It is owned by the County Highway Agency.