125th St. Rs 51 over Little Osage River
FairPosted for loadBourbon County, Kansas · 0.7S of Mapleton · Structure no. 000000000060140
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 292 ft
- 4 main spans
- Daily traffic
- 133
- 2006 count
- Owner
- County
- County Highway Agency
About this bridge
125th St. Rs 51 over Little Osage River is a steel continuous stringer/multi-beam or girder carrying 125th St. Rs 51 over Little Osage River in Bourbon 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 133 vehicles a day, roughly 11% of them trucks, projected to reach 133 by 2039. The structure is 292 ft (89 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 125th St. Rs 51 over Little Osage River built?
It was built in 1970, making it 55 years old in 2025.
What condition is 125th St. Rs 51 over Little Osage River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does 125th St. Rs 51 over Little Osage River carry?
About 133 vehicles per day (2006 count), of which roughly 11% are trucks.
How long is 125th St. Rs 51 over Little Osage River?
The structure is 292 ft (89 m) long with a longest span of 80 ft (24.3 m) and a deck 31 ft wide.
Who owns 125th St. Rs 51 over Little Osage River?
It is owned by the County Highway Agency.