Wyo 34 over Sybille Creek
FairPlatte County, Wyoming · Bosler JCT - Wheatland · Structure no. EVZ
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 118 ft
- 3 main spans
- Daily traffic
- 1,304
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Wyo 34 over Sybille Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 34 over Sybille Creek in Platte County, Wyoming. It was built in 1983, so it is 42 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 1,304 vehicles a day, roughly 3% of them trucks, projected to reach 1,826 by 2043. The structure is 118 ft (36 m) long and 39 ft wide. If it were closed, the detour would be 82 mi (132 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 34 over Sybille Creek built?
It was built in 1983, making it 42 years old in 2025.
What condition is Wyo 34 over Sybille 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 2023.
How much traffic does Wyo 34 over Sybille Creek carry?
About 1,304 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is Wyo 34 over Sybille Creek?
The structure is 118 ft (36 m) long with a longest span of 45 ft (13.7 m) and a deck 39 ft wide.
Who owns Wyo 34 over Sybille Creek?
It is owned by the State Highway Agency.