I135 US81 SB over Ko Railway
FairMcPherson County, Kansas · 0.76 MI N US56 SB · Structure no. 999913500590321
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 7,338
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I135 US81 SB over Ko Railway is a concrete continuous slab carrying I135 US81 SB over Ko Railway in McPherson County, Kansas. It was built in 1969, so it is 56 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.
It carries about 7,338 vehicles a day, roughly 21% of them trucks, projected to reach 9,501 by 2044. The structure is 120 ft (36.5 m) long and 42 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I135 US81 SB over Ko Railway built?
It was built in 1969, making it 56 years old in 2025.
What condition is I135 US81 SB over Ko Railway 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 January 2025.
How much traffic does I135 US81 SB over Ko Railway carry?
About 7,338 vehicles per day (2023 count), of which roughly 21% are trucks.
How long is I135 US81 SB over Ko Railway?
The structure is 120 ft (36.5 m) long with a longest span of 45 ft (13.7 m) and a deck 42 ft wide.
Who owns I135 US81 SB over Ko Railway?
It is owned by the State Highway Agency.