N. Garden ST over Boise River Slough
GoodAda County, Idaho · In Garden CITY;29th St. · Structure no. 000000000026285
- Built
- 1964
- 61 years old
- Condition
- Good
- inspected March 2024
- Type
- Frame
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 1,700
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
N. Garden ST over Boise River Slough is a concrete frame carrying N. Garden ST over Boise River Slough in Ada County, Idaho. It was built in 1964, so it is 61 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 1,700 vehicles a day, projected to reach 2,550 by 2042. The structure is 24 ft (7.3 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 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 N. Garden ST over Boise River Slough built?
It was built in 1964, making it 61 years old in 2025.
What condition is N. Garden ST over Boise River Slough 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 March 2024.
How much traffic does N. Garden ST over Boise River Slough carry?
About 1,700 vehicles per day (2023 count).
How long is N. Garden ST over Boise River Slough?
The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 41 ft wide.
Who owns N. Garden ST over Boise River Slough?
It is owned by the County Highway Agency.