I 15 Sbl over W.Bridge St.Gs;uprr Op
FairBingham County, Idaho · 0.3 S. Blackfoot · Structure no. 000000000011470
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 258 ft
- 5 main spans
- Daily traffic
- 12,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 15 Sbl over W.Bridge St.Gs;uprr Op is a prestressed concrete stringer/multi-beam or girder carrying I 15 Sbl over W.Bridge St.Gs;uprr Op in Bingham 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 12,500 vehicles a day, roughly 20% of them trucks, projected to reach 18,750 by 2042. The structure is 258 ft (78.6 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 15 Sbl over W.Bridge St.Gs;uprr Op built?
It was built in 1962, making it 63 years old in 2025.
What condition is I 15 Sbl over W.Bridge St.Gs;uprr Op in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.
How much traffic does I 15 Sbl over W.Bridge St.Gs;uprr Op carry?
About 12,500 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is I 15 Sbl over W.Bridge St.Gs;uprr Op?
The structure is 258 ft (78.6 m) long with a longest span of 55 ft (16.8 m) and a deck 40 ft wide.
Who owns I 15 Sbl over W.Bridge St.Gs;uprr Op?
It is owned by the State Highway Agency.