STC4782;GRANGEMONT over Whiskey Creek
GoodClearwater County, Idaho · 4.2 N. 8.9 E. Orofino · Structure no. 000000000020290
- Built
- 1962
- 63 years old
- Condition
- Good
- inspected June 2022
- Type
- Culvert
- Steel
- Length
- 29 ft
- 1 main span
- Daily traffic
- 560
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
STC4782;GRANGEMONT over Whiskey Creek is a steel culvert carrying STC4782;GRANGEMONT over Whiskey Creek in Clearwater County, Idaho. It was built in 1962, so it is 63 years old, older 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 560 vehicles a day, roughly 6% of them trucks, projected to reach 840 by 2042. The structure is 29 ft (8.8 m) long and 68 ft wide. If it were closed, the detour would be 16.8 mi (27 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was STC4782;GRANGEMONT over Whiskey Creek built?
It was built in 1962, making it 63 years old in 2025.
What condition is STC4782;GRANGEMONT over Whiskey 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 June 2022.
How much traffic does STC4782;GRANGEMONT over Whiskey Creek carry?
About 560 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is STC4782;GRANGEMONT over Whiskey Creek?
The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 68 ft wide.
Who owns STC4782;GRANGEMONT over Whiskey Creek?
It is owned by the County Highway Agency.