Ni Cnty RD 11 over Black Creek
FairNiobrara County, Wyoming · 12 MI SW of Mule Crk JCT · Structure no. EFG
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected November 2024
- Type
- Channel Beam
- Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 33
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Ni Cnty RD 11 over Black Creek is a concrete channel beam carrying Ni Cnty RD 11 over Black Creek in Niobrara County, Wyoming. It was built in 1981, so it is 44 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 12% of them trucks, projected to reach 46 by 2043. The structure is 40 ft (12.2 m) long and 18 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ni Cnty RD 11 over Black Creek built?
It was built in 1981, making it 44 years old in 2025.
What condition is Ni Cnty RD 11 over Black 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 11 over Black Creek carry?
About 33 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is Ni Cnty RD 11 over Black Creek?
The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 18 ft wide.
Who owns Ni Cnty RD 11 over Black Creek?
It is owned by the County Highway Agency.