FM over Iowa River
GoodTama County, Iowa · 083160906 · Structure no. 000000000318360
- Built
- 1954
- 71 years old, rebuilt 2011
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 523 ft
- 6 main spans
- Daily traffic
- 206
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Iowa River is a steel continuous stringer/multi-beam or girder carrying FM over Iowa River in Tama County, Iowa. It was built in 1954 and reconstructed in 2011, so it is 71 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 206 vehicles a day, projected to reach 206 by 2044. The structure is 523 ft (159.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 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 Iowa River built?
It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2011.
What condition is FM over Iowa River 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 September 2024.
How much traffic does FM over Iowa River carry?
About 206 vehicles per day (2022 count).
How long is FM over Iowa River?
The structure is 523 ft (159.4 m) long with a longest span of 93 ft (28.3 m) and a deck 33 ft wide.
Who owns FM over Iowa River?
It is owned by the County Highway Agency.