Wyo 387 over Dry Fork Powder River
FairCampbell County, Wyoming · Midwest - Reno JCT · Structure no. DIT
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 192 ft
- 3 main spans
- Daily traffic
- 1,788
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Wyo 387 over Dry Fork Powder River is a steel continuous stringer/multi-beam or girder carrying Wyo 387 over Dry Fork Powder River in Campbell County, Wyoming. It was built in 1980, so it is 45 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 1,788 vehicles a day, roughly 23% of them trucks, projected to reach 2,503 by 2043. The structure is 192 ft (58.5 m) long and 39 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Wyo 387 over Dry Fork Powder River built?
It was built in 1980, making it 45 years old in 2025.
What condition is Wyo 387 over Dry Fork Powder River 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 July 2024.
How much traffic does Wyo 387 over Dry Fork Powder River carry?
About 1,788 vehicles per day (2024 count), of which roughly 23% are trucks.
How long is Wyo 387 over Dry Fork Powder River?
The structure is 192 ft (58.5 m) long with a longest span of 72 ft (21.9 m) and a deck 39 ft wide.
Who owns Wyo 387 over Dry Fork Powder River?
It is owned by the State Highway Agency.