Big Salmon Road over Little Salmon River
GoodIdaho County, Idaho · Riggins Scl · Structure no. 000000000029402
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected July 2022
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 179 ft
- 1 main span
- Daily traffic
- 60
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Big Salmon Road over Little Salmon River is a steel stringer/multi-beam or girder carrying Big Salmon Road over Little Salmon River in Idaho County, Idaho. It was built in 2010, so it is 15 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 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 60 vehicles a day, roughly 60% of them trucks, projected to reach 90 by 2039. The structure is 179 ft (54.6 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Big Salmon Road over Little Salmon River built?
It was built in 2010, making it 15 years old in 2025.
What condition is Big Salmon Road over Little 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 July 2022.
How much traffic does Big Salmon Road over Little Salmon River carry?
About 60 vehicles per day (2023 count), of which roughly 60% are trucks.
How long is Big Salmon Road over Little Salmon River?
The structure is 179 ft (54.6 m) long with a longest span of 172 ft (52.4 m) and a deck 34 ft wide.
Who owns Big Salmon Road over Little Salmon River?
It is owned by the County Highway Agency.