FM over Big Creek
FairBoone County, Iowa · 083253301 · Structure no. 000000000077341
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 91 ft
- 3 main spans
- Daily traffic
- 977
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Big Creek is a concrete continuous slab carrying FM over Big Creek in Boone County, Iowa. It was built in 1992, so it is 33 years old, younger 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.
It carries about 977 vehicles a day, roughly 6% of them trucks, projected to reach 977 by 2044. The structure is 91 ft (27.7 m) long and 32 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Big Creek built?
It was built in 1992, making it 33 years old in 2025.
What condition is FM over Big Creek 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 May 2024.
How much traffic does FM over Big Creek carry?
About 977 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is FM over Big Creek?
The structure is 91 ft (27.7 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.
Who owns FM over Big Creek?
It is owned by the County Highway Agency.