FM over Twelve Mile Creek
GoodUnion County, Iowa · 071282705 · Structure no. 000000000324491
- Built
- 1977
- 48 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 154 ft
- 3 main spans
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Twelve Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Twelve Mile Creek in Union County, Iowa. It was built in 1977, so it is 48 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 60 vehicles a day, projected to reach 60 by 2044. The structure is 154 ft (46.9 m) long and 32 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Twelve Mile Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is FM over Twelve Mile Creek 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 October 2024.
How much traffic does FM over Twelve Mile Creek carry?
About 60 vehicles per day (2022 count).
How long is FM over Twelve Mile Creek?
The structure is 154 ft (46.9 m) long with a longest span of 55 ft (16.8 m) and a deck 32 ft wide.
Who owns FM over Twelve Mile Creek?
It is owned by the County Highway Agency.