3400 RD Mile 8 over Onion Creek
GoodMontgomery County, Kansas · 0.8W of Bolton · Structure no. 000630983906920
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected March 2023
- Type
- Slab
- Concrete Continuous
- Length
- 101 ft
- 3 main spans
- Daily traffic
- 100
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
3400 RD Mile 8 over Onion Creek is a concrete continuous slab carrying 3400 RD Mile 8 over Onion Creek in Montgomery County, Kansas. It was built in 1998, so it is 27 years old, younger 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 120 by 2039. The structure is 101 ft (30.9 m) long and 26 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 | 7 Good | Some minor problems. |
| 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 3400 RD Mile 8 over Onion Creek built?
It was built in 1998, making it 27 years old in 2025.
What condition is 3400 RD Mile 8 over Onion 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 March 2023.
How much traffic does 3400 RD Mile 8 over Onion Creek carry?
About 100 vehicles per day (2010 count), of which roughly 1% are trucks.
How long is 3400 RD Mile 8 over Onion Creek?
The structure is 101 ft (30.9 m) long with a longest span of 39 ft (12 m) and a deck 26 ft wide.
Who owns 3400 RD Mile 8 over Onion Creek?
It is owned by the County Highway Agency.