US 231 over Unt Mill Creek
GoodOwen County, Indiana · 01.05 N N JCT SR 67 · Structure no. 076962
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected April 2023
- Type
- Culvert
- Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 5,370
- 2011 count
- Owner
- State
- State Highway Agency
About this bridge
US 231 over Unt Mill Creek is a concrete culvert carrying US 231 over Unt Mill Creek in Owen County, Indiana. It was built in 2013, so it is 12 years old, younger than the Indiana average of 46.6 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 5,370 vehicles a day, roughly 19% of them trucks, projected to reach 6,540 by 2031. The structure is 32 ft (9.7 m) long and 70 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 231 over Unt Mill Creek built?
It was built in 2013, making it 12 years old in 2025.
What condition is US 231 over Unt Mill 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 April 2023.
How much traffic does US 231 over Unt Mill Creek carry?
About 5,370 vehicles per day (2011 count), of which roughly 19% are trucks.
How long is US 231 over Unt Mill Creek?
The structure is 32 ft (9.7 m) long with a longest span of 32 ft (9.7 m) and a deck 70 ft wide.
Who owns US 231 over Unt Mill Creek?
It is owned by the State Highway Agency.