Onaga Road over Vermillion River
PoorPosted for loadPottawatomie County, Kansas · 5.0N 2.5W of Belvue · Structure no. 000000000750020
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 283 ft
- 4 main spans
- Daily traffic
- 825
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Onaga Road over Vermillion River is a steel continuous stringer/multi-beam or girder carrying Onaga Road over Vermillion River in Pottawatomie County, Kansas. It was built in 1968, so it is 57 years old, older than the Kansas average of 52.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 825 vehicles a day, projected to reach 990 by 2043. The structure is 283 ft (86.3 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Onaga Road over Vermillion River built?
It was built in 1968, making it 57 years old in 2025.
What condition is Onaga Road over Vermillion River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.
How much traffic does Onaga Road over Vermillion River carry?
About 825 vehicles per day (2010 count).
How long is Onaga Road over Vermillion River?
The structure is 283 ft (86.3 m) long with a longest span of 80 ft (24.4 m) and a deck 26 ft wide.
Who owns Onaga Road over Vermillion River?
It is owned by the County Highway Agency.