US166 HWY over Onion Creek Drainage
GoodMontgomery County, Kansas · 12.42 MI E Sjct US75 · Structure no. 999916600630371
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected March 2023
- Type
- Culvert
- Concrete
- Length
- 41 ft
- 2 main spans
- Daily traffic
- 5,253
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US166 HWY over Onion Creek Drainage is a concrete culvert carrying US166 HWY over Onion Creek Drainage in Montgomery County, Kansas. It was built in 1970, so it is 55 years old, older than the Kansas average of 52.8 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 5,253 vehicles a day, roughly 11% of them trucks, projected to reach 5,359 by 2044. The structure is 41 ft (12.5 m) long and 46 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US166 HWY over Onion Creek Drainage built?
It was built in 1970, making it 55 years old in 2025.
What condition is US166 HWY over Onion Creek Drainage 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 March 2023.
How much traffic does US166 HWY over Onion Creek Drainage carry?
About 5,253 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is US166 HWY over Onion Creek Drainage?
The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6.1 m) and a deck 46 ft wide.
Who owns US166 HWY over Onion Creek Drainage?
It is owned by the State Highway Agency.