SH 51 over Bruneau River
FairOwyhee County, Idaho · 0.8 W. Bruneau · Structure no. 000000000014545
- Built
- 1955
- 70 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 105 ft
- 3 main spans
- Daily traffic
- 1,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SH 51 over Bruneau River is a concrete stringer/multi-beam or girder carrying SH 51 over Bruneau River in Owyhee County, Idaho. It was built in 1955, so it is 70 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 5 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 1,500 vehicles a day, roughly 8% of them trucks, projected to reach 2,250 by 2042. The structure is 105 ft (32 m) long and 29 ft wide. If it were closed, the detour would be 37.3 mi (60 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 51 over Bruneau River built?
It was built in 1955, making it 70 years old in 2025.
What condition is SH 51 over Bruneau River 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 September 2024.
How much traffic does SH 51 over Bruneau River carry?
About 1,500 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is SH 51 over Bruneau River?
The structure is 105 ft (32 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.
Who owns SH 51 over Bruneau River?
It is owned by the State Highway Agency.