US 93 over N. Fork Salmon River
GoodLemhi County, Idaho · 15.1 N. North Fork · Structure no. 000000000033340
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Steel
- Length
- 23 ft
- 1 main span
- Daily traffic
- 670
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 93 over N. Fork Salmon River is a steel culvert carrying US 93 over N. Fork Salmon River in Lemhi County, Idaho. It was built in 1997, so it is 28 years old, younger than the Idaho average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 670 vehicles a day, roughly 37% of them trucks, projected to reach 1,005 by 2042. The structure is 23 ft (7 m) long and 42 ft wide. If it were closed, the detour would be 98.8 mi (159 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 93 over N. Fork Salmon River built?
It was built in 1997, making it 28 years old in 2025.
What condition is US 93 over N. Fork Salmon River 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 August 2024.
How much traffic does US 93 over N. Fork Salmon River carry?
About 670 vehicles per day (2023 count), of which roughly 37% are trucks.
How long is US 93 over N. Fork Salmon River?
The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 42 ft wide.
Who owns US 93 over N. Fork Salmon River?
It is owned by the State Highway Agency.