SH 75 over Basin Creek
FairCuster County, Idaho · 6.8 N. Stanley · Structure no. 000000000017776
- Built
- 2007
- 18 years old
- Condition
- Fair
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 680
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SH 75 over Basin Creek is a prestressed concrete box beam or girders - multiple carrying SH 75 over Basin Creek in Custer County, Idaho. It was built in 2007, so it is 18 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 680 vehicles a day, roughly 15% of them trucks, projected to reach 1,020 by 2042. The structure is 51 ft (15.5 m) long and 36 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 75 over Basin Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is SH 75 over Basin Creek 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 July 2024.
How much traffic does SH 75 over Basin Creek carry?
About 680 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is SH 75 over Basin Creek?
The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.
Who owns SH 75 over Basin Creek?
It is owned by the State Highway Agency.