I 15 Sbl over Robin RD Gs
GoodBannock County, Idaho · 2.8 S. Mccammon · Structure no. 000000000011125
- Built
- 1964
- 61 years old, rebuilt 2019
- Condition
- Good
- inspected July 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 135 ft
- 3 main spans
- Daily traffic
- 6,250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 15 Sbl over Robin RD Gs is a prestressed concrete stringer/multi-beam or girder carrying I 15 Sbl over Robin RD Gs in Bannock County, Idaho. It was built in 1964 and reconstructed in 2019, 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 6,250 vehicles a day, roughly 19% of them trucks, projected to reach 9,375 by 2042. The structure is 135 ft (41.1 m) long and 39 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 15 Sbl over Robin RD Gs built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2019.
What condition is I 15 Sbl over Robin RD Gs 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 July 2021.
How much traffic does I 15 Sbl over Robin RD Gs carry?
About 6,250 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is I 15 Sbl over Robin RD Gs?
The structure is 135 ft (41.1 m) long with a longest span of 43 ft (13.1 m) and a deck 39 ft wide.
Who owns I 15 Sbl over Robin RD Gs?
It is owned by the State Highway Agency.