SH 47 over Robison Creek
GoodFremont County, Idaho · 8.5 E. Ashton · Structure no. 000000000014420
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected August 2021
- Type
- Slab
- Concrete Continuous
- Length
- 87 ft
- 2 main spans
- Daily traffic
- 510
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SH 47 over Robison Creek is a concrete continuous slab carrying SH 47 over Robison Creek in Fremont County, Idaho. It was built in 1984, so it is 41 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 510 vehicles a day, roughly 53% of them trucks, projected to reach 765 by 2042. The structure is 87 ft (26.5 m) long and 34 ft wide. If it were closed, the detour would be 31.1 mi (50 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 47 over Robison Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is SH 47 over Robison Creek 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 2021.
How much traffic does SH 47 over Robison Creek carry?
About 510 vehicles per day (2023 count), of which roughly 53% are trucks.
How long is SH 47 over Robison Creek?
The structure is 87 ft (26.5 m) long with a longest span of 43 ft (13.1 m) and a deck 34 ft wide.
Who owns SH 47 over Robison Creek?
It is owned by the State Highway Agency.