US 310 over Sidon Canal
GoodBig Horn County, Wyoming · Lovell - Deaver · Structure no. CYU
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected January 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 60 ft
- 3 main spans
- Daily traffic
- 1,849
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 310 over Sidon Canal is a concrete continuous tee beam carrying US 310 over Sidon Canal in Big Horn County, Wyoming. It was built in 1971, so it is 54 years old, older than the Wyoming average of 48.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,849 vehicles a day, roughly 14% of them trucks, projected to reach 2,589 by 2043. The structure is 60 ft (18.3 m) long and 39 ft wide. If it were closed, the detour would be 14.9 mi (24 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 US 310 over Sidon Canal built?
It was built in 1971, making it 54 years old in 2025.
What condition is US 310 over Sidon Canal in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.
How much traffic does US 310 over Sidon Canal carry?
About 1,849 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is US 310 over Sidon Canal?
The structure is 60 ft (18.3 m) long with a longest span of 23 ft (7 m) and a deck 39 ft wide.
Who owns US 310 over Sidon Canal?
It is owned by the State Highway Agency.