Eagle Island Pkwy over Boise River
GoodAda County, Idaho · 0.3 S 2.1 W Eagle · Structure no. 000000000034090
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 334 ft
- 2 main spans
- Daily traffic
- 250
- 2023 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
Eagle Island Pkwy over Boise River is a prestressed concrete stringer/multi-beam or girder carrying Eagle Island Pkwy over Boise River in Ada County, Idaho. It was built in 2008, so it is 17 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 375 by 2039. The structure is 334 ft (101.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Eagle Island Pkwy over Boise River built?
It was built in 2008, making it 17 years old in 2025.
What condition is Eagle Island Pkwy over Boise River 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 November 2023.
How much traffic does Eagle Island Pkwy over Boise River carry?
About 250 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Eagle Island Pkwy over Boise River?
The structure is 334 ft (101.8 m) long with a longest span of 146 ft (44.5 m) and a deck 40 ft wide.
Who owns Eagle Island Pkwy over Boise River?
It is owned by the State Park, Forest, or Reservation Agency.