US 20 over UPRR
FairNiobrara County, Wyoming · Lusk-Vantassel Road · Structure no. EOS
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 241 ft
- 3 main spans
- Daily traffic
- 529
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 over UPRR is a steel continuous stringer/multi-beam or girder carrying US 20 over UPRR in Niobrara County, Wyoming. It was built in 1984, so it is 41 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 529 vehicles a day, roughly 19% of them trucks, projected to reach 741 by 2043. The structure is 241 ft (73.5 m) long and 43 ft wide. If it were closed, the detour would be 67.1 mi (108 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 over UPRR built?
It was built in 1984, making it 41 years old in 2025.
What condition is US 20 over UPRR 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 March 2024.
How much traffic does US 20 over UPRR carry?
About 529 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is US 20 over UPRR?
The structure is 241 ft (73.5 m) long with a longest span of 94 ft (28.7 m) and a deck 43 ft wide.
Who owns US 20 over UPRR?
It is owned by the State Highway Agency.