FM over Three Mile Creek
FairUnion County, Iowa · 072290404 · Structure no. 000000000325580
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 154 ft
- 3 main spans
- Daily traffic
- 450
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Three Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Three Mile Creek in Union County, Iowa. It was built in 1969, so it is 56 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.
It carries about 450 vehicles a day, roughly 16% of them trucks, projected to reach 450 by 2043. The structure is 154 ft (46.9 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Three Mile Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is FM over Three Mile 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 October 2022.
How much traffic does FM over Three Mile Creek carry?
About 450 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is FM over Three Mile Creek?
The structure is 154 ft (46.9 m) long with a longest span of 57 ft (17.4 m) and a deck 32 ft wide.
Who owns FM over Three Mile Creek?
It is owned by the County Highway Agency.