US 20 over Fifteen Mile Creek
FairWashakie County, Wyoming · P-34 Worland South · Structure no. LVL
- Built
- 2006
- 19 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 2,768
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 over Fifteen Mile Creek is a steel continuous stringer/multi-beam or girder carrying US 20 over Fifteen Mile Creek in Washakie County, Wyoming. It was built in 2006, so it is 19 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 2,768 vehicles a day, roughly 14% of them trucks, projected to reach 3,875 by 2043. The structure is 145 ft (44.2 m) long and 62 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 over Fifteen Mile Creek built?
It was built in 2006, making it 19 years old in 2025.
What condition is US 20 over Fifteen Mile 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 April 2024.
How much traffic does US 20 over Fifteen Mile Creek carry?
About 2,768 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is US 20 over Fifteen Mile Creek?
The structure is 145 ft (44.2 m) long with a longest span of 73 ft (22.4 m) and a deck 62 ft wide.
Who owns US 20 over Fifteen Mile Creek?
It is owned by the State Highway Agency.