Grimes Pass Road over Grimes Creek
GoodBoise County, Idaho · 4.9S. 5.5E. Garden Valley · Structure no. 000000000026706
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected May 2021
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 36 ft
- 1 main span
- Daily traffic
- 20
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Grimes Pass Road over Grimes Creek is a steel stringer/multi-beam or girder carrying Grimes Pass Road over Grimes Creek in Boise County, Idaho. It was built in 1996, so it is 29 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 20 vehicles a day, roughly 50% of them trucks, projected to reach 30 by 2042. The structure is 36 ft (11 m) long and 14 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Grimes Pass Road over Grimes Creek built?
It was built in 1996, making it 29 years old in 2025.
What condition is Grimes Pass Road over Grimes 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 May 2021.
How much traffic does Grimes Pass Road over Grimes Creek carry?
About 20 vehicles per day (2023 count), of which roughly 50% are trucks.
How long is Grimes Pass Road over Grimes Creek?
The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 14 ft wide.
Who owns Grimes Pass Road over Grimes Creek?
It is owned by the County Highway Agency.