I 84 Wbl over UPRR
GoodAda County, Idaho · Boise Scl · Structure no. 000000000015765
- Built
- 1969
- 56 years old, rebuilt 2004
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 147 ft
- 3 main spans
- Daily traffic
- 26,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 84 Wbl over UPRR is a steel continuous stringer/multi-beam or girder carrying I 84 Wbl over UPRR in Ada County, Idaho. It was built in 1969 and reconstructed in 2004, so it is 56 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 26,000 vehicles a day, roughly 19% of them trucks, projected to reach 39,000 by 2042. The structure is 147 ft (44.7 m) long and 68 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 84 Wbl over UPRR built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2004.
What condition is I 84 Wbl over UPRR 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 October 2024.
How much traffic does I 84 Wbl over UPRR carry?
About 26,000 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is I 84 Wbl over UPRR?
The structure is 147 ft (44.7 m) long with a longest span of 52 ft (16 m) and a deck 68 ft wide.
Who owns I 84 Wbl over UPRR?
It is owned by the State Highway Agency.