FM over I-80
GoodIowa County, Iowa · 2.5 Miles West of SR W38 · Structure no. 000000000029930
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 217 ft
- 4 main spans
- Daily traffic
- 110
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
FM over I-80 is a prestressed concrete stringer/multi-beam or girder carrying FM over I-80 in Iowa County, Iowa. It was built in 1963, so it is 62 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 110 vehicles a day, projected to reach 110 by 2044. The structure is 217 ft (66.1 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over I-80 built?
It was built in 1963, making it 62 years old in 2025.
What condition is FM over I-80 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 2024.
How much traffic does FM over I-80 carry?
About 110 vehicles per day (2022 count).
How long is FM over I-80?
The structure is 217 ft (66.1 m) long with a longest span of 65 ft (19.8 m) and a deck 29 ft wide.
Who owns FM over I-80?
It is owned by the State Highway Agency.