Ni Cnty RD 18 over Sage Creek
GoodNiobrara County, Wyoming · 14 MI NE of Lusk · Structure no. KHU
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 31
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Ni Cnty RD 18 over Sage Creek is a steel continuous stringer/multi-beam or girder carrying Ni Cnty RD 18 over Sage 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 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 31 vehicles a day, roughly 13% of them trucks, projected to reach 43 by 2043. The structure is 128 ft (39 m) long and 30 ft wide. If it were closed, the detour would be 24.2 mi (39 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 | 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 18 over Sage Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is Ni Cnty RD 18 over Sage 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 Ni Cnty RD 18 over Sage Creek carry?
About 31 vehicles per day (2024 count), of which roughly 13% are trucks.
How long is Ni Cnty RD 18 over Sage Creek?
The structure is 128 ft (39 m) long with a longest span of 51 ft (15.5 m) and a deck 30 ft wide.
Who owns Ni Cnty RD 18 over Sage Creek?
It is owned by the County Highway Agency.