Rs 121 RD 21 over Bluff Creek
GoodClark County, Kansas · 9.7N 1.0E of Ashland · Structure no. 000000000130190
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 326 ft
- 6 main spans
- Daily traffic
- 10
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Rs 121 RD 21 over Bluff Creek is a concrete continuous slab carrying Rs 121 RD 21 over Bluff Creek in Clark County, Kansas. It was built in 1988, so it is 37 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2044. The structure is 326 ft (99.4 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rs 121 RD 21 over Bluff Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is Rs 121 RD 21 over Bluff 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 November 2024.
How much traffic does Rs 121 RD 21 over Bluff Creek carry?
About 10 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is Rs 121 RD 21 over Bluff Creek?
The structure is 326 ft (99.4 m) long with a longest span of 59 ft (17.9 m) and a deck 28 ft wide.
Who owns Rs 121 RD 21 over Bluff Creek?
It is owned by the County Highway Agency.