FM over Boone River
FairPosted for loadWright County, Iowa · 090260901 · Structure no. 000000000357030
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 175 ft
- 3 main spans
- Daily traffic
- 71
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Boone River is a steel continuous stringer/multi-beam or girder carrying FM over Boone River in Wright County, Iowa. It was built in 1974, so it is 51 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. Its operating status is: posted for load restriction.
It carries about 71 vehicles a day, projected to reach 71 by 2044. The structure is 175 ft (53.3 m) long and 26 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Boone River built?
It was built in 1974, making it 51 years old in 2025.
What condition is FM over Boone River 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 March 2024.
How much traffic does FM over Boone River carry?
About 71 vehicles per day (2022 count).
How long is FM over Boone River?
The structure is 175 ft (53.3 m) long with a longest span of 68 ft (20.7 m) and a deck 26 ft wide.
Who owns FM over Boone River?
It is owned by the County Highway Agency.