US 93 over Jimmy Byrnes Slough
FairLincoln County, Idaho · 0.8 E. Richfield · Structure no. 000000000013160
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected March 2021
- Type
- Culvert
- Concrete Continuous
- Length
- 34 ft
- 3 main spans
- Daily traffic
- 1,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 93 over Jimmy Byrnes Slough is a concrete continuous culvert carrying US 93 over Jimmy Byrnes Slough in Lincoln County, Idaho. It was built in 1987, so it is 38 years old, younger 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 1,300 vehicles a day, roughly 33% of them trucks, projected to reach 1,950 by 2042. The structure is 34 ft (10.5 m) long and 61 ft wide. If it were closed, the detour would be 67.1 mi (108 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 93 over Jimmy Byrnes Slough built?
It was built in 1987, making it 38 years old in 2025.
What condition is US 93 over Jimmy Byrnes Slough 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 March 2021.
How much traffic does US 93 over Jimmy Byrnes Slough carry?
About 1,300 vehicles per day (2023 count), of which roughly 33% are trucks.
How long is US 93 over Jimmy Byrnes Slough?
The structure is 34 ft (10.5 m) long with a longest span of 10 ft (3.2 m) and a deck 61 ft wide.
Who owns US 93 over Jimmy Byrnes Slough?
It is owned by the State Highway Agency.