Mule Shoe Mine RD over Salmon River;se.Clayton
PoorPosted for loadCuster County, Idaho · 0.3 S. 0.9 E. Clayton · Structure no. 000000000031650
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected July 2024
- Type
- Truss - Thru
- Steel
- Length
- 152 ft
- 1 main span
- Daily traffic
- 60
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Mule Shoe Mine RD over Salmon River;se.Clayton is a steel truss - thru carrying Mule Shoe Mine RD over Salmon River;se.Clayton in Custer County, Idaho. It was built in 1930, so it is 95 years old, older than the Idaho average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 60 vehicles a day, roughly 5% of them trucks, projected to reach 90 by 2039. The structure is 152 ft (46.3 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mule Shoe Mine RD over Salmon River;se.Clayton built?
It was built in 1930, making it 95 years old in 2025.
What condition is Mule Shoe Mine RD over Salmon River;se.Clayton in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.
How much traffic does Mule Shoe Mine RD over Salmon River;se.Clayton carry?
About 60 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Mule Shoe Mine RD over Salmon River;se.Clayton?
The structure is 152 ft (46.3 m) long with a longest span of 150 ft (45.7 m) and a deck 16 ft wide.
Who owns Mule Shoe Mine RD over Salmon River;se.Clayton?
It is owned by the County Highway Agency.