K99 HWY over Dow Creek
FairLyon County, Kansas · 0.38 MI E/Kta · Structure no. 999909900561381
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 162 ft
- 3 main spans
- Daily traffic
- 610
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
K99 HWY over Dow Creek is a concrete continuous slab carrying K99 HWY over Dow Creek in Lyon County, Kansas. It was built in 1985, so it is 40 years old, younger 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 610 vehicles a day, roughly 27% of them trucks, projected to reach 661 by 2044. The structure is 162 ft (49.5 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
| 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 K99 HWY over Dow Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is K99 HWY over Dow Creek 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 June 2024.
How much traffic does K99 HWY over Dow Creek carry?
About 610 vehicles per day (2023 count), of which roughly 27% are trucks.
How long is K99 HWY over Dow Creek?
The structure is 162 ft (49.5 m) long with a longest span of 64 ft (19.5 m) and a deck 38 ft wide.
Who owns K99 HWY over Dow Creek?
It is owned by the State Highway Agency.