Wyo 411 over Blacks Fork River
FairUinta County, Wyoming · Mountain View - Milburne · Structure no. CGP
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 140 ft
- 3 main spans
- Daily traffic
- 763
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Wyo 411 over Blacks Fork River is a steel continuous stringer/multi-beam or girder carrying Wyo 411 over Blacks Fork River in Uinta County, Wyoming. It was built in 1966, so it is 59 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 763 vehicles a day, roughly 13% of them trucks, projected to reach 1,068 by 2043. The structure is 140 ft (42.7 m) long and 31 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wyo 411 over Blacks Fork River built?
It was built in 1966, making it 59 years old in 2025.
What condition is Wyo 411 over Blacks Fork 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 2023.
How much traffic does Wyo 411 over Blacks Fork River carry?
About 763 vehicles per day (2024 count), of which roughly 13% are trucks.
How long is Wyo 411 over Blacks Fork River?
The structure is 140 ft (42.7 m) long with a longest span of 54 ft (16.5 m) and a deck 31 ft wide.
Who owns Wyo 411 over Blacks Fork River?
It is owned by the State Highway Agency.