Ni Cnty RD 6 over Alkali Creek
FairNiobrara County, Wyoming · 3 Mi. NW of Mule Crk JCT · Structure no. KHT
- Built
- 1997
- 28 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 118 ft
- 3 main spans
- Daily traffic
- 33
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Ni Cnty RD 6 over Alkali Creek is a steel continuous stringer/multi-beam or girder carrying Ni Cnty RD 6 over Alkali Creek in Niobrara County, Wyoming. It was built in 1997, so it is 28 years old, younger than the Wyoming average of 48.4 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 33 vehicles a day, roughly 21% of them trucks, projected to reach 46 by 2043. The structure is 118 ft (36 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 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 Ni Cnty RD 6 over Alkali Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is Ni Cnty RD 6 over Alkali 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 November 2024.
How much traffic does Ni Cnty RD 6 over Alkali Creek carry?
About 33 vehicles per day (2024 count), of which roughly 21% are trucks.
How long is Ni Cnty RD 6 over Alkali Creek?
The structure is 118 ft (36 m) long with a longest span of 46 ft (14 m) and a deck 29 ft wide.
Who owns Ni Cnty RD 6 over Alkali Creek?
It is owned by the County Highway Agency.