US 20 over Birdseye Creek
FairFremont County, Wyoming · Thermopolis-Shoshoni · Structure no. HLL
- Built
- 1952
- 73 years old
- Condition
- Fair
- inspected August 2024
- Type
- Culvert
- Steel
- Length
- 47 ft
- 3 main spans
- Daily traffic
- 2,711
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 over Birdseye Creek is a steel culvert carrying US 20 over Birdseye Creek in Fremont County, Wyoming. It was built in 1952, so it is 73 years old, older 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 2,711 vehicles a day, roughly 13% of them trucks, projected to reach 3,795 by 2043. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 98.8 mi (159 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 over Birdseye Creek built?
It was built in 1952, making it 73 years old in 2025.
What condition is US 20 over Birdseye 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 August 2024.
How much traffic does US 20 over Birdseye Creek carry?
About 2,711 vehicles per day (2024 count), of which roughly 13% are trucks.
How long is US 20 over Birdseye Creek?
The structure is 47 ft (14.3 m) long with a longest span of 13 ft (4 m).
Who owns US 20 over Birdseye Creek?
It is owned by the State Highway Agency.