Local over Twelve Mile Creek
FairTama County, Iowa · 086142704 · Structure no. 000000000320401
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 39
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Local over Twelve Mile Creek is a concrete continuous slab carrying Local over Twelve Mile Creek in Tama County, Iowa. It was built in 1978, so it is 47 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 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 39 vehicles a day, projected to reach 39 by 2044. The structure is 128 ft (39 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 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 Local over Twelve Mile Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is Local 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 Local over Twelve Mile Creek carry?
About 39 vehicles per day (2022 count).
How long is Local over Twelve Mile Creek?
The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.
Who owns Local over Twelve Mile Creek?
It is owned by the County Highway Agency.