US 89 over Etna Irrigation Canal
FairLincoln County, Wyoming · Afton - Alpine JCT · Structure no. BOE
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 138 ft
- 3 main spans
- Daily traffic
- 7,033
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 89 over Etna Irrigation Canal is a prestressed concrete stringer/multi-beam or girder carrying US 89 over Etna Irrigation Canal in Lincoln County, Wyoming. It was built in 1960, so it is 65 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 5 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 7,033 vehicles a day, roughly 10% of them trucks, projected to reach 9,846 by 2043. The structure is 138 ft (42.1 m) long and 39 ft wide. If it were closed, the detour would be 88.9 mi (143 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 89 over Etna Irrigation Canal built?
It was built in 1960, making it 65 years old in 2025.
What condition is US 89 over Etna Irrigation Canal 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 November 2024.
How much traffic does US 89 over Etna Irrigation Canal carry?
About 7,033 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is US 89 over Etna Irrigation Canal?
The structure is 138 ft (42.1 m) long with a longest span of 43 ft (13.1 m) and a deck 39 ft wide.
Who owns US 89 over Etna Irrigation Canal?
It is owned by the State Highway Agency.