I 84 over Co.Rd.;horse Butte Gs
FairCassia County, Idaho · 16.6 E. Burley · Structure no. 000000000016435
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected May 2024
- Type
- Frame
- Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 11,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 84 over Co.Rd.;horse Butte Gs is a concrete frame carrying I 84 over Co.Rd.;horse Butte Gs in Cassia County, Idaho. It was built in 1963, so it is 62 years old, older than the Idaho average of 45.3 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 11,500 vehicles a day, roughly 95% of them trucks, projected to reach 17,250 by 2042. The structure is 27 ft (8.2 m) long and 170 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 84 over Co.Rd.;horse Butte Gs built?
It was built in 1963, making it 62 years old in 2025.
What condition is I 84 over Co.Rd.;horse Butte Gs 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 May 2024.
How much traffic does I 84 over Co.Rd.;horse Butte Gs carry?
About 11,500 vehicles per day (2023 count), of which roughly 95% are trucks.
How long is I 84 over Co.Rd.;horse Butte Gs?
The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 170 ft wide.
Who owns I 84 over Co.Rd.;horse Butte Gs?
It is owned by the State Highway Agency.