I 86B Rockland Ic over I 86 Eb-Wb;rockland Ic
FairPower County, Idaho · 2.9 W. American Falls · Structure no. 000000000010920
- Built
- 1959
- 66 years old, rebuilt 1985
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 245 ft
- 5 main spans
- Daily traffic
- 1,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 86B Rockland Ic over I 86 Eb-Wb;rockland Ic is a prestressed concrete box beam or girders - multiple carrying I 86B Rockland Ic over I 86 Eb-Wb;rockland Ic in Power County, Idaho. It was built in 1959 and reconstructed in 1985, so it is 66 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 1,600 vehicles a day, roughly 19% of them trucks, projected to reach 2,400 by 2042. The structure is 245 ft (74.7 m) long and 32 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 86B Rockland Ic over I 86 Eb-Wb;rockland Ic built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1985.
What condition is I 86B Rockland Ic over I 86 Eb-Wb;rockland Ic 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 September 2024.
How much traffic does I 86B Rockland Ic over I 86 Eb-Wb;rockland Ic carry?
About 1,600 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is I 86B Rockland Ic over I 86 Eb-Wb;rockland Ic?
The structure is 245 ft (74.7 m) long with a longest span of 58 ft (17.7 m) and a deck 32 ft wide.
Who owns I 86B Rockland Ic over I 86 Eb-Wb;rockland Ic?
It is owned by the State Highway Agency.