FM over Twelve Mile Creek
FairTama County, Iowa · 086152301 · Structure no. 000000000320561
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 83 ft
- 1 main span
- Daily traffic
- 196
- 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 Tama County, Iowa. It was built in 1981, so it is 44 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 6 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 196 vehicles a day, roughly 13% of them trucks, projected to reach 196 by 2044. The structure is 83 ft (25.3 m) long and 32 ft wide. If it were closed, the detour would be 26.7 mi (43 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 | 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 Twelve Mile Creek built?
It was built in 1981, making it 44 years old in 2025.
What condition is FM over Twelve 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 September 2024.
How much traffic does FM over Twelve Mile Creek carry?
About 196 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is FM over Twelve Mile Creek?
The structure is 83 ft (25.3 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.
Who owns FM over Twelve Mile Creek?
It is owned by the County Highway Agency.