Ia 12 over Six Mile Creek
GoodSioux County, Iowa · 2.1 Mi. N of SR C12 · Structure no. 000000000048571
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 257 ft
- 5 main spans
- Daily traffic
- 1,130
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 12 over Six Mile Creek is a concrete continuous slab carrying Ia 12 over Six Mile Creek in Sioux County, Iowa. It was built in 2013, so it is 12 years old, younger 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 1,130 vehicles a day, roughly 27% of them trucks, projected to reach 1,130 by 2043. The structure is 257 ft (78.3 m) long and 43 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 12 over Six Mile Creek built?
It was built in 2013, making it 12 years old in 2025.
What condition is Ia 12 over Six 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 February 2024.
How much traffic does Ia 12 over Six Mile Creek carry?
About 1,130 vehicles per day (2023 count), of which roughly 27% are trucks.
How long is Ia 12 over Six Mile Creek?
The structure is 257 ft (78.3 m) long with a longest span of 55 ft (16.8 m) and a deck 43 ft wide.
Who owns Ia 12 over Six Mile Creek?
It is owned by the State Highway Agency.